603

Manchester, New Hampshire

New Hampshire · Eastern (UTC-5) · · 20 cities

Major City
Manchester
Time Zone
Eastern (UTC-5)
Current Local Time
Cities Served
20
Additional Details
Established
1947
Type
Original (1947)
Active Prefixes
768
Wireless Lines
27%

About Area Code 603

Area code 603 is one of the original 86 area codes established in 1947 when AT&T and the Bell System created the North American Numbering Plan. It has served the Manchester area for over 75 years. The area is in the Eastern time zone. It covers 20 cities and communities including Amherst, Bedford, Berlin, Claremont, Concord and 15 more.

Phone Number Prefixes in Area Code 603

768 active NXX prefixes — 27% wireless, 73% landline. Each prefix (NXX) represents up to 10,000 phone numbers.

Consolidated Comm Of No. New England-Nh 249 (32%)Bell Atlantic Mobile 75 (10%)Paetec Itel 58 (8%)MCI/Verizon 45 (6%)Comcast 40 (5%)
PrefixCarrierTypeRate Center
603-200ComcastLandlineNewmarket
603-201Consolidated Comm Of No. New England-NhLandlineXxxxxxxxxx
603-202Omnipoint Miami E LicenseLandlineConcord
603-203AT&T MobilityWirelessManchester
603-204US CellularWirelessNashua
603-205Omnipoint Miami E LicenseLandlinePortsmouth
603-206Paetec ItelLandlineManchester
603-207OnvoyLandlineDerry
603-208US CellularWirelessLyme
603-209US CellularWirelessKeene
603-210ComcastLandlineSuncook
603-211Multiple Ocn ListingLandlineXxxxxxxxxx
603-212Consolidated Comm Of No. New England-NhLandlineSalem
603-213ComcastLandlineMilford
603-214Freedom Ring CommunicationsLandlineErrol
603-215Freedom Ring CommunicationsLandlineBerlin
603-216ComcastLandlineDerry
603-217Bell Atlantic MobileWirelessBristol
603-218Paetec ItelLandlineManchester
603-219Omnipoint Miami E LicenseLandlineConcord
603-220LandlineXxxxxxxxxx
603-221Consolidated Comm Of No. New England-NhLandlineNashua
603-222Consolidated Comm Of No. New England-NhLandlineManchester
603-223Consolidated Comm Of No. New England-NhLandlineConcord
603-224Consolidated Comm Of No. New England-NhLandlineConcord
603-225Consolidated Comm Of No. New England-NhLandlineConcord
603-226Consolidated Comm Of No. New England-NhLandlineConcord
603-227Consolidated Comm Of No. New England-NhLandlineConcord
603-228Consolidated Comm Of No. New England-NhLandlineConcord
603-229Consolidated Comm Of No. New England-NhLandlineConcord
603-230Consolidated Comm Of No. New England-NhLandlineConcord
603-231Omnipoint Miami E LicenseLandlineDerry
603-232ComcastLandlineManchester
603-233Omnipoint Miami E LicenseLandlineNashua
603-234Omnipoint Miami E LicenseLandlineDerry
603-235Omnipoint Miami E LicenseLandlineDerry
603-236Consolidated Comm Of No. New England-NhLandlineCampton
603-237Consolidated Comm Of No. New England-NhLandlineColebrook
603-238Paetec ItelLandlinePlymouth
603-239Consolidated Comm Of No. New England-NhLandlineWinchester
603-240Consolidated Comm Of No. New England-NhLandlineManchester
603-241AT&T MobilityWirelessDover
603-242Consolidated Comm Of No. New England-NhLandlineTroy
603-243SpectrumLandlineWoodsville
603-244ComcastLandlineRaymond
603-245Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-246Consolidated Comm Of No. New England-NhLandlineWstewatstn
603-247AT&T MobilityWirelessDerry
603-248Consolidated Comm Of No. New England-NhLandlineDover
603-249Consolidated Comm Of No. New England-NhLandlineMilford
603-250Freedom Ring CommunicationsLandlineCenter Hbr
603-251Paetec ItelLandlineCharlestn
603-252US CellularWirelessW Lebanon
603-253Consolidated Comm Of No. New England-NhLandlineCenter Hbr
603-254US CellularWirelessPlymouth
603-255Csc WirelessWirelessManchester
603-256Consolidated Comm Of No. New England-NhLandlineWchestefld
603-257Freedom Ring CommunicationsLandlinePlaistow
603-258Metro by T-MobileWirelessHollis
603-259Lumen/Level 3LandlineLittleton
603-260ComcastLandlineDerry
603-261US CellularWirelessMerrimack
603-262Consolidated Comm Of No. New England-NhLandlineMerrimack
603-263Peerless Network Of New HampshireLandlineManchester
603-264Omnipoint Miami E LicenseLandlineManchester
603-265Omnipoint Miami E LicenseLandlineNew Boston
603-266Consolidated Comm Of No. New England-NhLandlineTilton
603-267Consolidated Comm Of No. New England-NhLandlineBelmont
603-268Consolidated Comm Of No. New England-NhLandlineSuncook
603-269Union Tel. CoLandlineCtrbarnste
603-270MCI/VerizonWirelessSuncook
603-271Consolidated Comm Of No. New England-NhLandlineConcord
603-272Consolidated Comm Of No. New England-NhLandlinePiermont
603-273MCI/VerizonWirelessLaconia
603-274MCI/VerizonWirelessSo Hampton
603-275Omnipoint Miami E LicenseLandlineDerry
603-276Bell Atlantic MobileWirelessW Lebanon
603-277ComcastLandlineHanover
603-278Bretton Woods Tel. CoLandlineBretton Wd
603-279Consolidated Comm Of No. New England-NhLandlineMeredith
603-280Lumen/Level 3LandlineBarrington
603-281Consolidated Comm Of No. New England-NhLandlineNashua
603-282MCI/VerizonWirelessCanaan
603-283Paetec ItelLandlineKeene
603-284Consolidated Comm Of No. New England-NhLandlineCtrsandwih
603-285MCI/VerizonWirelessDover
603-286Consolidated Comm Of No. New England-NhLandlineTilton
603-287Lumen/Level 3LandlineClaremont
603-288VonageLandlineNashua
603-289AT&T MobilityWirelessManchester
603-290US CellularWirelessConcord
603-291ComcastLandlineGreenville
603-292ComcastLandlineNewmarket
603-293Consolidated Comm Of No. New England-NhLandlineLaconia
603-294Lumen/Level 3LandlinePortsmouth
603-295Paetec ItelLandlineDurham
603-296Paetec ItelLandlineManchester
603-297Freedom Ring CommunicationsLandlineCtrossipee
603-298Consolidated Comm Of No. New England-NhLandlineW Lebanon
603-299AT&T MobilityWirelessBartlett
603-300Metro by T-MobileWirelessChester
603-301Lumen/Level 3LandlineCtrossipee
603-302Consolidated Comm Of No. New England-NhLandlineManchester
603-303Bell Atlantic MobileWirelessRaymond
603-304US CellularWirelessEnfield
603-305Bell Atlantic MobileWirelessNashua
603-306Freedom Ring CommunicationsLandlineLebanon
603-307Bell Atlantic MobileWirelessNo Conway
603-308Consolidated Comm Of No. New England-NhLandlineHanover
603-309Bell Atlantic MobileWirelessNewport
603-310Paetec ItelLandlineBedford
603-311Multiple Ocn ListingLandlineXxxxxxxxxx
603-312Bell Atlantic MobileWirelessDover
603-313US CellularWirelessKeene
603-314Paetec ItelLandlineManchester
603-315Bell Atlantic MobileWirelessManchester
603-316Bell Atlantic MobileWirelessMilford
603-317MCI/VerizonWirelessMilan
603-318Bell Atlantic MobileWirelessNashua
603-319Paetec ItelLandlinePortsmouth
603-320AT&T MobilityWirelessNashua
603-321Bell Atlantic MobileWirelessNashua
603-322AT&T MobilityWirelessW Lebanon
603-323Consolidated Comm Of No. New England-NhLandlineTamworth
603-324MCI/VerizonWirelessNashua
603-325MCI/VerizonWirelessNew Boston
603-326Lumen/Level 3LandlineBerlin
603-327Paetec ItelLandlineSalem
603-328Paetec ItelLandlineSalem
603-329Consolidated Comm Of No. New England-NhLandlineHampstead
603-330Consolidated Comm Of No. New England-NhLandlineRochester
603-331Lumen/Level 3LandlineColebrook
603-332Consolidated Comm Of No. New England-NhLandlineRochester
603-333Peerless Network Of New HampshireLandlineConcord
603-334Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-335Consolidated Comm Of No. New England-NhLandlineRochester
603-336Consolidated Comm Of No. New England-NhLandlineHinsdale
603-337Consolidated Comm Of No. New England-NhLandlineRochester
603-338MCI/VerizonWirelessKeene
603-339AT&T MobilityWirelessDerry
603-340Bell Atlantic MobileWirelessSuncook
603-341US CellularWirelessMerrimack
603-342Consolidated Comm Of No. New England-NhLandlineBerlin
603-343ComcastLandlineDover
603-344US CellularWirelessSuncook
603-345US CellularWirelessMerrimack
603-346Hd CarrierLandlinePlymouth
603-347ComcastLandlineKingston
603-348US CellularWirelessNowoodstok
603-349US CellularWirelessW Lebanon
603-350MCI/VerizonWirelessMilton
603-351MCI/VerizonWirelessGoffstown
603-352Consolidated Comm Of No. New England-NhLandlineKeene
603-353Consolidated Comm Of No. New England-NhLandlineOrford
603-354Consolidated Comm Of No. New England-NhLandlineKeene
603-355Consolidated Comm Of No. New England-NhLandlineKeene
603-356Consolidated Comm Of No. New England-NhLandlineNo Conway
603-357Consolidated Comm Of No. New England-NhLandlineKeene
603-358Consolidated Comm Of No. New England-NhLandlineKeene
603-359Bell Atlantic MobileWirelessLebanon
603-360Topsham CommunicationsLandlineOrford
603-361Bell Atlantic MobileWirelessManchester
603-362Consolidated Comm Of No. New England-NhLandlineHampstead
603-363Consolidated Comm Of No. New England-NhLandlineSpofford
603-364Union Tel. CoLandlineGlntnirwrs
603-365Omnipoint Miami E LicenseLandlineMerrimack
603-366Consolidated Comm Of No. New England-NhLandlineLaconia
603-367Consolidated Comm Of No. New England-NhLandlineMadison
603-368Teleport Communications AmericaLandlinePortsmouth
603-369Lumen/Level 3LandlineConcord
603-370Bell Atlantic MobileWirelessCandia
603-371Paetec ItelLandlinePeterbrogh
603-372Freedom Ring CommunicationsLandlineClaremont
603-373Paetec ItelLandlinePortsmouth
603-374Consolidated Comm Of No. New England-NhLandlineBartlett
603-375Twc Ip Enabled ServicesLandlineAshland
603-376American Messaging ServicesLandlineDover
603-377Omnipoint Miami E LicenseLandlineMerrimack
603-378Consolidated Comm Of No. New England-NhLandlinePlaistow
603-379Lumen/Level 3LandlineRye Beach
603-380AT&T MobilityWirelessPortsmouth
603-381US CellularWirelessW Lebanon
603-382Consolidated Comm Of No. New England-NhLandlinePlaistow
603-383Consolidated Comm Of No. New England-NhLandlineJackson
603-384ComcastLandlineGoffstown
603-385Consolidated Comm Of No. New England-NhLandlineManchester
603-386Paetec ItelLandlineSalem
603-387Bell Atlantic MobileWirelessLaconia
603-388Freedom Ring CommunicationsLandlineColebrook
603-389Paetec ItelLandlineDurham
603-390MCI/VerizonWirelessJefferson
603-391Teleport Communications AmericaLandlineManchester
603-392ComcastLandlineWinchester
603-393US CellularWirelessLaconia
603-394Consolidated Comm Of No. New England-NhLandlineSo Hampton
603-395MCI/VerizonWirelessExeter
603-396Omnipoint Miami E LicenseLandlineMerrimack
603-397ComcastLandlineDurham
603-398US CellularWirelessW Lebanon
603-399Consolidated Comm Of No. New England-NhLandlineWestmoreld
603-400SpectrumLandlineHollis
603-401Bell Atlantic MobileWirelessSalem
603-402Bell Atlantic MobileWirelessNashua
603-403ComcastLandlineRochester
603-404Bell Atlantic MobileWirelessDerry
603-405Teleport Communications AmericaLandlineSomerswth
603-406Omnipoint Miami E LicenseLandlineConcord
603-407Paetec ItelLandlineBelmont
603-408AT&T MobilityWirelessBerlin
603-409AT&T MobilityWirelessLaconia
603-410Paetec ItelLandlineConcord
603-411Multiple Ocn ListingLandlineXxxxxxxxxx
603-412US CellularWirelessPlymouth
603-413Paetec ItelLandlineManchester
603-414Tds MetrocomWirelessSunapee
603-415Freedom Ring CommunicationsLandlineConcord
603-416Omnipoint Miami E LicenseLandlineRaymond
603-417Omnipoint Miami E LicenseLandlineNashua
603-418Paetec ItelLandlineExeter
603-419US CellularWirelessSuncook
603-420MCI/VerizonWirelessMerrimack
603-421Consolidated Comm Of No. New England-NhLandlineDerry
603-422Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-423Consolidated Comm Of No. New England-NhLandlineMerrimack
603-424Consolidated Comm Of No. New England-NhLandlineMerrimack
603-425Consolidated Comm Of No. New England-NhLandlineDerry
603-426Consolidated Comm Of No. New England-NhLandlineDerry
603-427Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-428Merrimack Co. Telephone CoLandlineHenniker
603-429Consolidated Comm Of No. New England-NhLandlineMerrimack
603-430Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-431Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-432Consolidated Comm Of No. New England-NhLandlineDerry
603-433Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-434Consolidated Comm Of No. New England-NhLandlineDerry
603-435Consolidated Comm Of No. New England-NhLandlinePittsfield
603-436Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-437Consolidated Comm Of No. New England-NhLandlineDerry
603-438Omnipoint Miami E LicenseLandlineNashua
603-439Paetec ItelLandlineKeene
603-440Consolidated Comm Of No. New England-NhLandlineMerrimack
603-441ComcastLandlineRochester
603-442Consolidated Comm Of No. New England-NhLandlineLebanon
603-443Consolidated Comm Of No. New England-NhLandlineLebanon
603-444Consolidated Comm Of No. New England-NhLandlineLittleton
603-445Consolidated Comm Of No. New England-NhLandlineNo Walpole
603-446Consolidated Comm Of No. New England-NhLandlineMarlow
603-447Consolidated Comm Of No. New England-NhLandlineConway
603-448Consolidated Comm Of No. New England-NhLandlineLebanon
603-449Consolidated Comm Of No. New England-NhLandlineMilan
603-450Omnipoint Miami E LicenseLandlineConcord
603-451AT&T MobilityWirelessConcord
603-452Freedom Ring CommunicationsLandlineConway
603-453AT&TLandlineHampstead
603-454US CellularWirelessSunapee
603-455US CellularWirelessLaconia
603-456Merrimack County Tel. CoLandlineWarner
603-457Idt AmericaLandlineDover
603-458ComcastLandlineSalem
603-459Paetec ItelLandlineNashua
603-460MCI/VerizonWirelessDeerfield
603-461US CellularWirelessMerrimack
603-462Freedom Ring CommunicationsLandlineDeerfield
603-463Consolidated Comm Of No. New England-NhLandlineDeerfield
603-464Merrimack Co. Telephone CoLandlineHillsboro
603-465Hollis Telephone CompanyLandlineHollis
603-466Consolidated Comm Of No. New England-NhLandlineGorham
603-467Bell Atlantic MobileWirelessManchester
603-468Freedom Ring CommunicationsLandlineSeabrook
603-469Kearsarge Tel. CoLandlineMeriden
603-470US CellularWirelessConcord
603-471Consolidated Comm Of No. New England-NhLandlineBedford
603-472Consolidated Comm Of No. New England-NhLandlineBedford
603-473Consolidated Comm Of No. New England-NhLandlineMilton Ml
603-474Consolidated Comm Of No. New England-NhLandlineSeabrook
603-475Bell Atlantic MobileWirelessSalem
603-476Consolidated Comm Of No. New England-NhLandlineCtrsandwih
603-477US CellularWirelessClaremont
603-478Granite State TelLandlineHllsbupvlg
603-479AT&T MobilityWirelessDerry
603-480Bandwidth.comLandlineManchester
603-481Bell Atlantic MobileWirelessPlymouth
603-482Consolidated Comm Of No. New England-NhLandlineErrol
603-483Consolidated Comm Of No. New England-NhLandlineCandia
603-484Bell Atlantic MobileWirelessNashua
603-485Consolidated Comm Of No. New England-NhLandlineSuncook
603-486US CellularWirelessManchester
603-487Consolidated Comm Of No. New England-NhLandlineNew Boston
603-488ComcastLandlineBedford
603-489ComcastLandlineHampstead
603-490Bell Atlantic MobileWirelessDerry
603-491Bell Atlantic MobileWirelessConcord
603-492Consolidated Comm Of No. New England-NhLandlineManchester
603-493Bell Atlantic MobileWirelessMerrimack
603-494Bell Atlantic MobileWirelessMerrimack
603-495Granite State TelLandlineWashington
603-496Bell Atlantic MobileWirelessConcord
603-497Consolidated Comm Of No. New England-NhLandlineGoffstown
603-498Bell Atlantic MobileWirelessPortsmouth
603-499Lumen/Level 3LandlineKeene
603-500FractelLandlineTilton
603-501Paetec ItelLandlinePortsmouth
603-502AT&T MobilityWirelessPortsmouth
603-503MCI/VerizonWirelessLancaster
603-504US CellularWirelessClaremont
603-505Bell Atlantic MobileWirelessDerry
603-506AT&T MobilityWirelessManchester
603-507AT&T MobilityWirelessRochester
603-508Bell Atlantic MobileWirelessPelham
603-509Paetec ItelLandlineRochester
603-510ComcastLandlineMeriden
603-511Multiple Ocn ListingLandlineXxxxxxxxxx
603-512Omnipoint Miami E LicenseLandlineManchester
603-513Bell Atlantic MobileWirelessConcord
603-514Bell Atlantic MobileWirelessNashua
603-515Consolidated Comm Of No. New England-NhLandlineWolfeboro
603-516Freedom Ring CommunicationsLandlineDover
603-517American Messaging ServicesLandlineMerrimack
603-518AT&TLandlineManchester
603-519Bell Atlantic MobileWirelessExeter
603-520Bell Atlantic MobileWirelessLaconia
603-521AT&TLandlineNashua
603-522Consolidated Comm Of No. New England-NhLandlineSanbornvl
603-523Consolidated Comm Of No. New England-NhLandlineCanaan
603-524Consolidated Comm Of No. New England-NhLandlineLaconia
603-525Consolidated Comm Of No. New England-NhLandlineHancock
603-526Kearsarge Tel. CoLandlineNew London
603-527Consolidated Comm Of No. New England-NhLandlineLaconia
603-528Consolidated Comm Of No. New England-NhLandlineLaconia
603-529Granite State TelLandlineWeare
603-530Bell Atlantic MobileWirelessBristol
603-531AT&T MobilityWirelessPortsmouth
603-532Consolidated Comm Of No. New England-NhLandlineJaffrey
603-533US CellularWirelessMerrimack
603-534Bell Atlantic MobileWirelessDover
603-535Paetec ItelLandlinePlymouth
603-536Consolidated Comm Of No. New England-NhLandlinePlymouth
603-537Consolidated Comm Of No. New England-NhLandlineDerry
603-538Consolidated Comm Of No. New England-NhLandlinePittsburg
603-539Consolidated Comm Of No. New England-NhLandlineCtrossipee
603-540Bell Atlantic MobileWirelessManchester
603-541Consolidated Comm Of No. New England-NhLandlineManchester
603-542Consolidated Comm Of No. New England-NhLandlineClaremont
603-543Consolidated Comm Of No. New England-NhLandlineClaremont
603-544Merrimack Co. Telephone CoLandlineMelvin Vlg
603-545Paetec ItelLandlineConcord
603-546Paetec ItelLandlineNashua
603-547Consolidated Comm Of No. New England-NhLandlineGreenfield
603-548Bell Atlantic MobileWirelessDerry
603-549Consolidated Comm Of No. New England-NhLandlineDerry
603-550TelnyxLandlineDover
603-551Consolidated Comm Of No. New England-NhLandlineManchester
603-552MCI/VerizonWirelessDerry
603-553AT&T MobilityWirelessDerry
603-554US CellularWirelessMilford
603-555Multiple Ocn ListingLandlineDir Asst
603-556Lumen/Level 3LandlineLaconia
603-557Omnipoint Miami E LicenseLandlineNashua
603-558Bell Atlantic MobileWirelessClaremont
603-559Consolidated Comm Of No. New England-NhLandlinePortsmouth
603-560AT&T MobilityWirelessSalem
603-561Consolidated Comm Of No. New England-NhLandlineNashua
603-562US CellularWirelessPeterbrogh
603-563Consolidated Comm Of No. New England-NhLandlineDublin
603-564Consolidated Comm Of No. New England-NhLandlineManchester
603-565Lumen/Level 3LandlinePenacook
603-566Bell Atlantic MobileWirelessNashua
603-567Lumen/Level 3LandlinePeterbrogh
603-568Bell Atlantic MobileWirelessConcord
603-569Consolidated Comm Of No. New England-NhLandlineWolfeboro
603-570Teleport Communications AmericaLandlinePortsmouth
603-571AT&T MobilityWirelessDerry
603-573MCI/VerizonWirelessConcord
603-574Lumen/Level 3LandlineAlstead
603-575MCI/VerizonWirelessLittleton
603-576Lumen/Level 3LandlineOrford
603-577Consolidated Comm Of No. New England-NhLandlineNashua
603-578Consolidated Comm Of No. New England-NhLandlineNashua
603-579Consolidated Comm Of No. New England-NhLandlineNashua
603-580ComcastLandlineExeter
603-581Paetec ItelLandlineLaconia
603-582US CellularWirelessMerrimack
603-583Lumen/Level 3LandlineExeter
603-584Omnipoint Miami E LicenseLandlineConcord
603-585Consolidated Comm Of No. New England-NhLandlineFitzwillim
603-586Consolidated Comm Of No. New England-NhLandlineJefferson
603-587MCI/VerizonWirelessCandia
603-588Merrimack Co. Telephone CoLandlineAntrim
603-589Paetec ItelLandlineNashua
603-590Freedom Ring CommunicationsLandlineDurham
603-591Omnipoint Miami E LicenseLandlineManchester
603-592MCI/VerizonWirelessSpofford
603-593Paetec ItelLandlineJaffrey
603-594Consolidated Comm Of No. New England-NhLandlineNashua
603-595Consolidated Comm Of No. New England-NhLandlineNashua
603-596Consolidated Comm Of No. New England-NhLandlineNashua
603-597MCI/VerizonWirelessLyme
603-598Consolidated Comm Of No. New England-NhLandlineNashua
603-599Consolidated Comm Of No. New England-NhLandlineNashua
603-600CommioLandlineManchester
603-601Paetec ItelLandlineHampton
603-602Teleport Communications AmericaLandlineRochester
603-604Consolidated Comm Of No. New England-NhLandlineRye Beach
603-605Peerless Network Of New HampshireLandlineDover
603-606SpectrumLandlineManchester
603-607NusoLandlineWchestefld
603-608Metro by T-MobileWirelessNorthwood
603-609AT&T MobilityWirelessDover
603-610Paetec ItelLandlinePortsmouth
603-611Multiple Ocn ListingLandlineXxxxxxxxxx
603-612Paetec ItelLandlinePlaistow
603-613MCI/VerizonWirelessColebrook
603-614Lumen/Level 3LandlineWchestefld
603-615Consolidated Comm Of No. New England-NhLandlineManchester
603-616US CellularWirelessLittleton
603-617Paetec ItelLandlineDover
603-618Lumen/Level 3LandlinePike
603-619ComcastLandlineLaconia
603-620US CellularWirelessMerrimack
603-621Consolidated Comm Of No. New England-NhLandlineManchester
603-622Consolidated Comm Of No. New England-NhLandlineManchester
603-623Consolidated Comm Of No. New England-NhLandlineManchester
603-624Consolidated Comm Of No. New England-NhLandlineManchester
603-625Consolidated Comm Of No. New England-NhLandlineManchester
603-626Consolidated Comm Of No. New England-NhLandlineManchester
603-627Consolidated Comm Of No. New England-NhLandlineManchester
603-628Consolidated Comm Of No. New England-NhLandlineManchester
603-629Consolidated Comm Of No. New England-NhLandlineManchester
603-630Bell Atlantic MobileWirelessLaconia
603-631US CellularWirelessLancaster
603-632Consolidated Comm Of No. New England-NhLandlineEnfield
603-633Bell Atlantic MobileWirelessMilford
603-634Consolidated Comm Of No. New England-NhLandlineManchester
603-635Consolidated Comm Of No. New England-NhLandlinePelham
603-636Consolidated Comm Of No. New England-NhLandlineGroveton
603-637MCI/VerizonWirelessBedford
603-638Consolidated Comm Of No. New England-NhLandlineMonroe
603-639Consolidated Comm Of No. New England-NhLandlineManchester
603-640Consolidated Comm Of No. New England-NhLandlineHanover
603-641Consolidated Comm Of No. New England-NhLandlineManchester
603-642Consolidated Comm Of No. New England-NhLandlineKingston
603-643Consolidated Comm Of No. New England-NhLandlineHanover
603-644Consolidated Comm Of No. New England-NhLandlineManchester
603-645Consolidated Comm Of No. New England-NhLandlineManchester
603-646Consolidated Comm Of No. New England-NhLandlineHanover
603-647Consolidated Comm Of No. New England-NhLandlineManchester
603-648Kearsarge Tel. CoLandlineSalisbury
603-649ComcastLandlineJaffrey
603-650Consolidated Comm Of No. New England-NhLandlineHanover
603-651US CellularWirelessCtrossipee
603-652Consolidated Comm Of No. New England-NhLandlineMilton
603-653Consolidated Comm Of No. New England-NhLandlineHanover
603-654Wilton Tel. CoLandlineWilton
603-655Consolidated Comm Of No. New England-NhLandlineManchester
603-656Consolidated Comm Enterprise ServicesLandlineManchester
603-657Paetec ItelLandlineManchester
603-658Freedom Ring CommunicationsLandlineExeter
603-659Consolidated Comm Of No. New England-NhLandlineNewmarket
603-660Bell Atlantic MobileWirelessGoffstown
603-661Omnipoint Miami E LicenseLandlineManchester
603-662US CellularWirelessConway
603-663Consolidated Comm Of No. New England-NhLandlineManchester
603-664Consolidated Comm Of No. New England-NhLandlineBarrington
603-665Consolidated Comm Of No. New England-NhLandlineManchester
603-666Consolidated Comm Of No. New England-NhLandlineManchester
603-667MCI/VerizonWirelessLebanon
603-668Consolidated Comm Of No. New England-NhLandlineManchester
603-669Consolidated Comm Of No. New England-NhLandlineManchester
603-670Paetec ItelLandlineMerrimack
603-671MCI/VerizonWirelessFranklin
603-672Consolidated Comm Of No. New England-NhLandlineMilford
603-673Consolidated Comm Of No. New England-NhLandlineMilford
603-674Omnipoint Miami E LicenseLandlineManchester
603-675Consolidated Comm Of No. New England-NhLandlinePlainfield
603-676Freedom Ring CommunicationsLandlineHanover
603-677MCI/VerizonWirelessMeredith
603-678Lumen/Level 3LandlineLebanon
603-679Consolidated Comm Of No. New England-NhLandlineEpping
603-680Enhanced Communications Of Northern New England-NhLandlineHillsboro
603-681Paetec ItelLandlineSalem
603-682Omnipoint Miami E LicenseLandlineManchester
603-683Consolidated Comm Of No. New England-NhLandlineMerrimack
603-684Lumen/Level 3LandlineLancaster
603-685Paetec ItelLandlineSalem
603-686Bell Atlantic MobileWirelessExeter
603-687Freedom Ring CommunicationsLandlineJackson
603-688Peerless Network Of New HampshireLandlineConcord
603-689Paetec ItelLandlineNashua
603-690MCI/VerizonWirelessClaremont
603-691CommioLandlineExeter
603-692Consolidated Comm Of No. New England-NhLandlineSomerswth
603-693Paetec ItelLandlineEpping
603-694ConsolidatedLandlineChatham
603-695Consolidated Comm Of No. New England-NhLandlineManchester
603-696OnvoyLandlineManchester
603-697ComcastLandlineDover
603-698NusoLandlineManchester
603-699NusoLandlineNashua
603-700Landline
603-701Idt AmericaLandlineNew Durham
603-702Bell Atlantic MobileWirelessKingston
603-703Otel TelekomLandlineManchester
603-704Teleport Communications AmericaLandlineDerry
603-705ComcastLandlineSalisbury
603-706Paetec ItelLandlineRaymond
603-707Bell Atlantic MobileWirelessMeredith
603-708ComcastLandlineCanterbury
603-709Lumen/Level 3LandlinePlainfield
603-710AT&T MobilityWirelessWashington
603-711Multiple Ocn ListingLandlineXxxxxxxxxx
603-712MCI/VerizonWirelessPike
603-713OnvoyLandlineNashua
603-714Bell Atlantic MobileWirelessBedford
603-715ComcastLandlineConcord
603-716Bell Atlantic MobileWirelessManchester
603-717Paetec ItelLandlineConcord
603-718Bell Atlantic MobileWirelessNashua
603-719Freedom Ring CommunicationsLandlineKeene
603-720Twc Ip Enabled ServicesLandlineTroy
603-721Metro by T-MobileWirelessMilford
603-722Bandwidth.comLandlineManchester
603-723US CellularWirelessBerlin
603-724Paetec ItelLandlineConcord
603-725Lumen/Level 3LandlineTamworth
603-726Consolidated Comm Of No. New England-NhLandlineCampton
603-727Paetec ItelLandlineLebanon
603-728Lumen/Level 3LandlineNowoodstok
603-729MCI/VerizonWirelessTilton
603-730MCI/VerizonWirelessNo Conway
603-731Bell Atlantic MobileWirelessConcord
603-732MCI/VerizonWirelessMilford
603-733Lumen/Level 3LandlineNo Conway
603-734MCI/VerizonWirelessEpping
603-735Kearsarge Tel. CoLandlineAndover
603-736Consolidated Comm Of No. New England-NhLandlineEpsom
603-737Freedom Ring CommunicationsLandlineLaconia
603-738AT&T MobilityWirelessConcord
603-739MCI/VerizonWirelessNowoodstok
603-740Consolidated Comm Of No. New England-NhLandlineDover
603-741Lumen/Level 3LandlineNew Boston
603-742Consolidated Comm Of No. New England-NhLandlineDover
603-743Consolidated Comm Of No. New England-NhLandlineDover
603-744Consolidated Comm Of No. New England-NhLandlineBristol
603-745Consolidated Comm Of No. New England-NhLandlineNowoodstok
603-746Merrimack County Tel. CoLandlineContoocook
603-747Consolidated Comm Of No. New England-NhLandlineWoodsville
603-748Bell Atlantic MobileWirelessWarner
603-749Consolidated Comm Of No. New England-NhLandlineDover
603-750Consolidated Comm Enterprise ServicesLandlineDover
603-751MCI/VerizonWirelessPelham
603-752Consolidated Comm Of No. New England-NhLandlineBerlin
603-753Consolidated Comm Of No. New England-NhLandlinePenacook
603-754Freedom Ring CommunicationsLandlineLancaster
603-755Consolidated Comm Of No. New England-NhLandlineFarmington
603-756Consolidated Comm Of No. New England-NhLandlineWalpole
603-757Paetec ItelLandlineKeene
603-758Paetec ItelLandlineHampton
603-759Bell Atlantic MobileWirelessNashua
603-760Teleport Communications AmericaLandlineSeabrook
603-761Freedom Ring CommunicationsLandlineLittleton
603-762Bell Atlantic MobileWirelessKeene
603-763Consolidated Comm Of No. New England-NhLandlineSunapee
603-764Consolidated Comm Of No. New England-NhLandlineWarren
603-765Omnipoint Miami E LicenseLandlineNashua
603-766Freedom Ring CommunicationsLandlinePortsmouth
603-767AT&T MobilityWirelessDover
603-768Consolidated Comm Of No. New England-NhLandlineDanbury
603-769Lumen/Level 3LandlineMilford
603-770Bell Atlantic MobileWirelessExeter
603-771Consolidated Comm Of No. New England-NhLandlineManchester
603-772Consolidated Comm Of No. New England-NhLandlineExeter
603-773Consolidated Comm Of No. New England-NhLandlineExeter
603-774Dunbarton Tel. CoLandlineDunbarton
603-775Consolidated Comm Of No. New England-NhLandlineExeter
603-776Union Tel. CoLandlineBarnstead
603-777Consolidated Comm Of No. New England-NhLandlineExeter
603-778Consolidated Comm Of No. New England-NhLandlineExeter
603-779MCI/VerizonWirelessPlymouth
603-780Lumen/Level 3LandlineCanaan
603-781AT&T MobilityWirelessDover
603-782Lumen/Level 3LandlineManchester
603-783Consolidated Comm Of No. New England-NhLandlineCanterbury
603-784MCI/VerizonWirelessPeterbrogh
603-785AT&T MobilityWirelessManchester
603-786Consolidated Comm Of No. New England-NhLandlineRumney
603-787Consolidated Comm Of No. New England-NhLandlineWoodsville
603-788Consolidated Comm Of No. New England-NhLandlineLancaster
603-789Freedom Ring CommunicationsLandlineDanbury
603-790Bell Atlantic MobileWirelessW Lebanon
603-791Consolidated Comm Of No. New England-NhLandlineNashua
603-792Freedom Ring CommunicationsLandlineManchester
603-793Metro by T-MobileWirelessExeter
603-794AT&T MobilityWirelessLaconia
603-795Consolidated Comm Of No. New England-NhLandlineLyme
603-796Kearsarge Tel. CoLandlineBoscawen
603-797MCI/VerizonWirelessPlaistow
603-798Kearsarge Tel. CoLandlineChichester
603-799Metro by T-MobileWirelessManchester
603-800FractelLandlineMeredith
603-801Bell Atlantic MobileWirelessMilford
603-802OnvoyLandlineConcord
603-803CenturyLinkLandlineKeene
603-804Boost SubscribercoWirelessDover
603-805MCI/VerizonWirelessConcord
603-808ComcastLandlineAntrim
603-809Bell Atlantic MobileWirelessNashua
603-810TelnyxLandlineNashua
603-811Multiple Ocn ListingLandlineXxxxxxxxxx
603-812Bell Atlantic MobileWirelessPortsmouth
603-813Idt AmericaLandlineCtrbarnste
603-814ComcastLandlineSeabrook
603-815Teleport Communications AmericaLandlineDurham
603-816Freedom Ring CommunicationsLandlineNashua
603-817Omnipoint Miami E LicenseLandlineDover
603-818Omnipoint Miami E LicenseLandlineDerry
603-819Lumen/Level 3LandlinePlaistow
603-820Metro by T-MobileWirelessMerrimack
603-821Paetec ItelLandlineNashua
603-822Paetec ItelLandlineRochester
603-823Consolidated Comm Of No. New England-NhLandlineFranconia
603-824MCI/VerizonWirelessSalem
603-825Ton80 CommunicationsLandlineManchester
603-826Consolidated Comm Of No. New England-NhLandlineCharlestn
603-827Consolidated Comm Of No. New England-NhLandlineHarrisvl
603-828Bell Atlantic MobileWirelessPortsmouth
603-829MCI/VerizonWirelessSunapee
603-831Bell Atlantic MobileWirelessGreenfield
603-832Paetec ItelLandlineLaconia
603-833Bell Atlantic MobileWirelessRochester
603-834Paetec ItelLandlineDover
603-835Consolidated Comm Of No. New England-NhLandlineAlstead
603-836ComcastLandlineManchester
603-837Consolidated Comm Of No. New England-NhLandlineWhitefield
603-838Consolidated Comm Of No. New England-NhLandlineLisbon
603-839Twc Ip Enabled ServicesLandlineFarmington
603-840ComcastLandlineEpsom
603-841ComcastLandlineSomerswth
603-842Paetec ItelLandlineDover
603-843Freedom Ring CommunicationsLandlineNewport
603-845Paetec ItelLandlineDerry
603-846Consolidated Comm Of No. New England-NhLandlineTwin Mt
603-847Consolidated Comm Of No. New England-NhLandlineSullivan
603-848US CellularWirelessConcord
603-850AT&T MobilityWirelessLisbon
603-851Bell Atlantic MobileWirelessManchester
603-852Omnipoint Miami E LicenseLandlineKeene
603-853Freedom Ring CommunicationsLandlineWoodsville
603-854AT&T MobilityWirelessManchester
603-855Idt AmericaLandlineAlton
603-856Paetec ItelLandlineConcord
603-857Leap TelecomLandlineSuncook
603-858Omnipoint Miami E LicenseLandlineManchester
603-859Union Tel. CoLandlineNew Durham
603-860Bell Atlantic MobileWirelessManchester
603-861MCI/VerizonWirelessTamworth
603-862Paetec ItelLandlineDurham
603-863Consolidated Comm Of No. New England-NhLandlineNewport
603-864Consolidated Comm Of No. New England-NhLandlineNashua
603-865Consolidated Comm Of No. New England-NhLandlineNewport
603-866Omnipoint Miami E LicenseLandlineDover
603-867AT&T MobilityWirelessManchester
603-868Consolidated Comm Of No. New England-NhLandlineDurham
603-869Consolidated Comm Of No. New England-NhLandlineBethlehem
603-870Consolidated Comm Of No. New England-NhLandlineSalem
603-871Lumen/Level 3LandlineSanbornvl
603-872Idt AmericaLandlineGlntnirwrs
603-873Lumen/Level 3LandlineSunapee
603-874Lumen/Level 3LandlineMonroe
603-875Union Tel. CoLandlineAlton
603-876Consolidated Comm Of No. New England-NhLandlineMarlborogh
603-877ComcastLandlineNew London
603-878Consolidated Comm Of No. New England-NhLandlineGreenville
603-879Consolidated Comm Of No. New England-NhLandlineNashua
603-880TelnyxLandlineNashua
603-881Consolidated Comm Of No. New England-NhLandlineNashua
603-882Consolidated Comm Of No. New England-NhLandlineNashua
603-883Consolidated Comm Of No. New England-NhLandlineNashua
603-884Consolidated Comm Of No. New England-NhLandlineNashua
603-885Consolidated Comm Of No. New England-NhLandlineNashua
603-886Consolidated Comm Of No. New England-NhLandlineNashua
603-887Granite State TelLandlineChester
603-888Consolidated Comm Of No. New England-NhLandlineNashua
603-889Consolidated Comm Of No. New England-NhLandlineNashua
603-890Consolidated Comm Of No. New England-NhLandlineSalem
603-891Consolidated Comm Of No. New England-NhLandlineNashua
603-892Omnipoint Miami E LicenseLandlineConcord
603-893Consolidated Comm Of No. New England-NhLandlineSalem
603-894Consolidated Comm Of No. New England-NhLandlineSalem
603-895Consolidated Comm Of No. New England-NhLandlineRaymond
603-896Consolidated Comm Of No. New England-NhLandlineSalem
603-897Consolidated Comm Of No. New England-NhLandlineNashua
603-898Consolidated Comm Of No. New England-NhLandlineSalem
603-899Consolidated Comm Of No. New England-NhLandlineRindge
603-900FractelLandlineNewport
603-901MCI/VerizonWirelessConway
603-902ComcastLandlineSutton
603-903Bell Atlantic MobileWirelessKeene
603-904Otel TelekomLandlineWalpole
603-905Otel TelekomLandlineBarrington
603-906Idt AmericaLandlineBarnstead
603-910Paetec ItelLandlineHampton
603-911Multiple Ocn ListingLandlineXxxxxxxxxx
603-912Terra Nova TelecomLandlineSalem
603-913Paetec ItelLandlineMerrimack
603-915Bell Atlantic MobileWirelessGorham
603-916Omnipoint Miami E LicenseLandlineMeredith
603-918Bell Atlantic MobileWirelessHampton
603-919Bell Atlantic MobileWirelessRochester
603-921Bell Atlantic MobileWirelessNashua
603-922Consolidated Comm Of No. New England-NhLandlineNo Stratfd
603-923Lumen/Level 3LandlineRochester
603-924Consolidated Comm Of No. New England-NhLandlinePeterbrogh
603-925Freedom Ring CommunicationsLandlinePeterbrogh
603-926Consolidated Comm Of No. New England-NhLandlineHampton
603-927Merrimack County Tel. CoLandlineSutton
603-928Freedom Ring CommunicationsLandlineSuncook
603-929Consolidated Comm Of No. New England-NhLandlineHampton
603-930AT&T MobilityWirelessNashua
603-931MCI/VerizonWirelessConcord
603-932OnvoyLandlineManchester
603-933Bell Atlantic MobileWirelessGreenfield
603-934Consolidated Comm Of No. New England-NhLandlineFranklin
603-935ComcastLandlineManchester
603-937Bell Atlantic MobileWirelessMeredith
603-938Merrimack County Tel. CoLandlineBradford
603-939ConsolidatedLandlineEastconway
603-941MCI/VerizonWirelessWolfeboro
603-942Consolidated Comm Of No. New England-NhLandlineNorthwood
603-943Omnipoint Miami E LicenseLandlineNashua
603-944Metro by T-MobileWirelessSo Hampton
603-945OnvoyLandlineManchester
603-947Freedom Ring CommunicationsLandlinePlymouth
603-948Idt AmericaLandlineRochester
603-950Landline
603-951Lumen/Level 3LandlineMilan
603-952Lumen/Level 3LandlineSalem
603-953Paetec ItelLandlineDover
603-956VonageLandlinePortsmouth
603-957AT&T MobilityWirelessPortsmouth
603-958Landline
603-959Landline
603-960Bell Atlantic MobileWirelessCampton
603-961ComcastLandlineChichester
603-964Consolidated Comm Of No. New England-NhLandlineRye Beach
603-965Paetec ItelLandlineDerry
603-966Omnipoint Miami E LicenseLandlineNashua
603-967Lumen/Level 3LandlineHampton
603-968Consolidated Comm Of No. New England-NhLandlineAshland
603-969Omnipoint Miami E LicenseLandlinePortsmouth
603-970AT&T MobilityWirelessDover
603-971Freedom Ring CommunicationsLandlineRindge
603-973Metro by T-MobileWirelessRochester
603-974ComcastLandlinePlaistow
603-975ComcastLandlineBoscawen
603-976Landline
603-977ComcastLandlineAndover
603-978AT&T MobilityWirelessDover
603-986Bell Atlantic MobileWirelessNo Conway
603-988Omnipoint Miami E LicenseLandlinePortsmouth
603-989Consolidated Comm Of No. New England-NhLandlinePike
603-991Bell Atlantic MobileWirelessLittleton
603-992Lumen/Level 3LandlineDanbury
603-994Freedom Ring CommunicationsLandlineRochester
603-995Omnipoint Miami E LicenseLandlineHenniker
603-996Metro by T-MobileWirelessPlymouth
603-997Metro by T-MobileWirelessHampton
603-998Metro by T-MobileWirelessLaconia
603-999FractelLandlineSalem

About Area Code 603

Back in 1947, when the phone system was getting its big overhaul, area code 603 was one of the originals, carved out for the whole state of New Hampshire. Imagine that—right from the start, it covered everything from the rugged White Mountains in the north to the sandy shores of the Atlantic down south. Manchester's been the heart of it all, a city that's grown into a real hub with its mix of old brick factories and modern vibes, serving places like Amherst with its quiet neighborhoods or Dover with its historic seaport charm. With 20 cities under its belt, including spots like Concord where state politics hums along and Exeter with its classic New England feel, 603 ties together a slice of America that's all about that Granite State grit. Folks here appreciate the outdoors, whether it's hiking up Mount Washington or just grabbing a coffee in a local diner, and this code's been connecting them through thick and thin. It's stayed put without any overlays, keeping things straightforward for everyone from business calls to family chats, which is pretty neat for a code that's seen decades of change.

⚠ Scam & Spam Alert for 603

If you're in the 603 area, you might get calls that seem off, like someone claiming to be from the IRS demanding payment right away or pushing fake auto warranty deals that sound too good to pass up. Then there's Medicare fraud, where scammers pretend to be officials offering new benefits but really just want your info. Utility scams pop up too, with threats of shutting off your power unless you pay on the spot. These tricks are common everywhere, but they hit home here just like anywhere else. Don't panic; just remember to verify first. One solid tip is to hang up and call the organization back using a number you know is real, like from their official website, before sharing anything.

Local Snapshot

New Hampshire's population sits around 1.4 million folks, with Manchester pulling in about 115,000 residents who keep the city buzzing year-round. The state's economy runs on healthcare and manufacturing, drawing jobs that support families in places like Bedford and Derry. This region is famous for its outdoor adventures, from skiing in the Whites to boating on Lake Winnipesaukee, which draws visitors by the thousands. Here's something you might not expect: New Hampshire has no state sales tax, making it a shopper's haven and helping local businesses thrive in unexpected ways.

Frequently Asked Questions

Where is area code 603?
Area code 603 serves Manchester and surrounding communities in New Hampshire, including Amherst, Bedford, Berlin, Claremont, Concord and 15 more. It is in the Eastern time zone.
What cities are in area code 603?
Area code 603 covers 20 cities in New Hampshire: Amherst, Bedford, Berlin, Claremont, Concord, Derry, Dover, Exeter, Hanover, Hudson, and 10 more
What time zone is 603?
Area code 603 is in the Eastern time zone (UTC-5).
When was area code 603 created?
Area code 603 is one of the original area codes established in 1947 as part of the North American Numbering Plan.
Is 603 a legitimate area code?
Yes, 603 is a valid, active area code assigned to Manchester, New Hampshire. However, scammers can spoof any area code, so receiving a call from 603 doesn't guarantee the caller is actually in this area.

Has the 603 area code ever been split?

The 603 area code, established in 1947, has never been split and still covers all of New Hampshire. This makes it one of the few original area codes that remains unchanged, serving the state's diverse regions without fragmentation.

What industries are prominent in the cities served by the 603 area code?

In Manchester and Nashua within the 603 area, manufacturing and defense industries have historical roots dating back to the 19th century. Concord, as the state capital, features government and education sectors, while places like Berlin have ties to paper and forestry.

How does the 603 area code relate to New Hampshire's outdoor recreation areas?

The 603 area code includes cities near the White Mountains, supporting communication for outdoor activities like hiking and skiing in places such as Berlin and Concord. This coverage has aided local events and emergency services in these regions since 1947.