650

San Mateo, California

California · Pacific (UTC-8) · · 15 cities

Major City
San Mateo
Time Zone
Pacific (UTC-8)
Current Local Time
Cities Served
15
Additional Details
Established
1997
Type
Split
Active Prefixes
722
Wireless Lines
31%

About Area Code 650

Area code 650 was created in 1997 as a split from a previously larger area code region. It serves the San Mateo, California metropolitan area. The area is in the Pacific time zone. It covers 15 cities and communities including Belmont, Burlingame, Daly City, Encourage City, Half Moon Bay and 10 more.

Phone Number Prefixes in Area Code 650

722 active NXX prefixes — 31% wireless, 69% landline. Each prefix (NXX) represents up to 10,000 phone numbers.

AT&T (Pacific Bell) 273 (38%)AT&T Mobility 59 (8%)T-Mobile 57 (8%)MCI/Verizon 57 (8%)Lumen/Level 3 51 (7%)
PrefixCarrierTypeRate Center
650-200TwilioLandlineSan Mateo
650-201T-MobileWirelessSsnfrncsco
650-202Utility Telecom GroupLandlineSan Mateo
650-203Bandwidth.comLandlineMt View
650-204Lumen/Level 3LandlineMillbrae
650-205Usa Mobility WirelessWirelessSsnfrncsco
650-206U.S. TelepacificLandlineWoodside
650-207Verizon WirelessWirelessRedwood Cy
650-208Verizon WirelessWirelessRedwood Cy
650-209U.S. TelepacificLandlineLos Altos
650-210AT&T (Pacific Bell)LandlineMt View
650-211Multiple Ocn ListingLandlineXxxxxxxxxx
650-212AT&T (Pacific Bell)LandlineSan Mateo
650-213AT&T (Pacific Bell)LandlinePalo Alto
650-214MCI/VerizonWirelessMt View
650-215Lumen/Level 3LandlineMt View
650-216AT&T (Pacific Bell)LandlineRedwood Cy
650-217Usa Mobility WirelessWirelessSan Mateo
650-218T-MobileWirelessSan Mateo
650-219T-MobileWirelessSsnfrncsco
650-220T-MobileWirelessMt View
650-221ShelcommLandlineSsnfrncsco
650-222T-MobileWirelessSan Mateo
650-223U.S. TelepacificLandlinePalo Alto
650-224AT&T MobilityWirelessMt View
650-225AT&T (Pacific Bell)LandlineSsnfrncsco
650-226MCI/VerizonWirelessSncrl-Blmt
650-227MCI/VerizonWirelessSan Mateo
650-228MCI/VerizonWirelessSsnfrncsco
650-229MCI/VerizonWirelessLos Altos
650-230MCI/VerizonWirelessMt View
650-231MCI/VerizonWirelessMillbrae
650-232MCI/VerizonWirelessSncrl-Blmt
650-233AT&T (Pacific Bell)LandlinePalo Alto
650-234AT&T (Pacific Bell)LandlinePalo Alto
650-235MCI/VerizonWirelessSan Mateo
650-236AT&T (Pacific Bell)LandlinePalo Alto
650-237AT&T (Pacific Bell)LandlineMt View
650-238MCI/VerizonWirelessSsnfrncsco
650-239OnvoyLandlineMillbrae
650-240OnvoyLandlineSan Mateo
650-241Lumen/Level 3LandlineRedwood Cy
650-242Lumen/Level 3LandlineSan Mateo
650-243U.S. TelepacificLandlineSsnfrncsco
650-244AT&T (Pacific Bell)LandlineSsnfrncsco
650-245AT&T MobilityWirelessSan Mateo
650-246AT&T (Pacific Bell)LandlineSsnfrncsco
650-247CommioLandlineWoodside
650-248T-MobileWirelessPalo Alto
650-249OnvoyLandlineRedwood Cy
650-250T-MobileWirelessPalo Alto
650-251AT&T (Pacific Bell)LandlinePalo Alto
650-252Peerless Network Of CaliforniaLandlinePalo Alto
650-253MCI/VerizonWirelessMt View
650-254AT&T (Pacific Bell)LandlineMt View
650-255AT&T MobilityWirelessSsnfrncsco
650-256American Messaging ServicesLandlineSsnfrncsco
650-257Lumen/Level 3LandlineRedwood Cy
650-258Teleport Communications AmericaLandlinePalo Alto
650-259AT&T (Pacific Bell)LandlineMillbrae
650-260AT&TLandlineRedwood Cy
650-261AT&T (Pacific Bell)LandlineRedwood Cy
650-262Lumen/Level 3LandlinePescadero
650-263MCI/VerizonWirelessMoss Beach
650-264AT&TLandlineSncrl-Blmt
650-265AT&TLandlineMt View
650-266AT&T (Pacific Bell)LandlineSsnfrncsco
650-267Lumen/Level 3LandlineSsnfrncsco
650-268MCI/VerizonWirelessPescadero
650-269Verizon WirelessWirelessPalo Alto
650-270T-MobileWirelessSsnfrncsco
650-271Metro by T-MobileWirelessSnfc Junpr
650-272MCI/VerizonWirelessPalo Alto
650-273Astound BroadbandLandlineSsnfrncsco
650-274T-MobileWirelessSan Mateo
650-275MCI/VerizonWirelessWoodside
650-276Lumen/Level 3LandlineHalfmoonby
650-27733 WirelessWirelessRedwood Cy
650-278T-MobileWirelessSsnfrncsco
650-279Verizon WirelessWirelessMt View
650-280Metro by T-MobileWirelessMt View
650-281T-MobileWirelessSan Mateo
650-282Astound BroadbandLandlineMt View
650-283T-MobileWirelessPalo Alto
650-284T-MobileWirelessHalfmoonby
650-285Bandwidth.comLandlinePalo Alto
650-286AT&T (Pacific Bell)LandlineSan Mateo
650-287AT&T (Pacific Bell)LandlineSan Mateo
650-288Lumen/Level 3LandlineSan Mateo
650-289AT&T (Pacific Bell)LandlinePalo Alto
650-290Metro by T-MobileWirelessPacifica
650-291Verizon WirelessWirelessSsnfrncsco
650-292Lumen/Level 3LandlineSan Mateo
650-293AT&T (Pacific Bell)LandlineSan Mateo
650-294AT&T (Pacific Bell)LandlineSan Mateo
650-295AT&T (Pacific Bell)LandlineSan Mateo
650-296AT&T MobilityWirelessSsnfrncsco
650-297Lumen/Level 3LandlinePescadero
650-298AT&T (Pacific Bell)LandlineRedwood Cy
650-299AT&T (Pacific Bell)LandlineRedwood Cy
650-300OnvoyLandlinePalo Alto
650-301AT&T (Pacific Bell)LandlineSnfc Junpr
650-302AT&T MobilityWirelessMillbrae
650-303AT&T MobilityWirelessSsnfrncsco
650-304AT&T MobilityWirelessPalo Alto
650-305T-MobileWirelessLos Altos
650-306AT&T (Pacific Bell)LandlineRedwood Cy
650-307T-MobileWirelessMillbrae
650-308AT&T (Pacific Bell)LandlinePalo Alto
650-309T-MobileWirelessHalfmoonby
650-311Multiple Ocn ListingLandlineXxxxxxxxxx
650-312AT&T (Pacific Bell)LandlineSan Mateo
650-313RclecLandlinePalo Alto
650-314AT&T (Pacific Bell)LandlineMt View
650-315T-MobileWirelessSan Mateo
650-316Teleport Communications AmericaLandlineMt View
650-317Usa Mobility WirelessWirelessMt View
650-318AT&T (Pacific Bell)LandlineMt View
650-319MCI/VerizonWirelessPalo Alto
650-320AT&T (Pacific Bell)LandlinePalo Alto
650-321AT&T (Pacific Bell)LandlinePalo Alto
650-322AT&T (Pacific Bell)LandlinePalo Alto
650-323AT&T (Pacific Bell)LandlinePalo Alto
650-324AT&T (Pacific Bell)LandlinePalo Alto
650-325AT&T (Pacific Bell)LandlinePalo Alto
650-326AT&T (Pacific Bell)LandlinePalo Alto
650-327AT&T (Pacific Bell)LandlinePalo Alto
650-328AT&T (Pacific Bell)LandlinePalo Alto
650-329AT&T (Pacific Bell)LandlinePalo Alto
650-330AT&T (Pacific Bell)LandlinePalo Alto
650-331Lumen/Level 3LandlinePalo Alto
650-332Lumen/Level 3LandlineWoodside
650-333T-MobileWirelessSsnfrncsco
650-334T-MobileWirelessPalo Alto
650-335AT&T (Pacific Bell)LandlineMt View
650-336AT&T (Pacific Bell)LandlineMt View
650-337OnvoyLandlinePescadero
650-338T-MobileWirelessHalfmoonby
650-339Verizon WirelessWirelessSncrl-Blmt
650-340AT&T (Pacific Bell)LandlineSan Mateo
650-341AT&T (Pacific Bell)LandlineSan Mateo
650-342AT&T (Pacific Bell)LandlineSan Mateo
650-343AT&T (Pacific Bell)LandlineSan Mateo
650-344AT&T (Pacific Bell)LandlineSan Mateo
650-345AT&T (Pacific Bell)LandlineSan Mateo
650-346T-MobileWirelessSan Mateo
650-347AT&T (Pacific Bell)LandlineSan Mateo
650-348AT&T (Pacific Bell)LandlineSan Mateo
650-349AT&T (Pacific Bell)LandlineSan Mateo
650-350AT&T (Pacific Bell)LandlineSan Mateo
650-351Lumen/Level 3LandlineSsnfrncsco
650-352Lumen/Level 3LandlinePalo Alto
650-353Lumen/Level 3LandlinePalo Alto
650-354AT&T (Pacific Bell)LandlinePalo Alto
650-355AT&T (Pacific Bell)LandlinePacifica
650-356AT&T (Pacific Bell)LandlineSan Mateo
650-357AT&T (Pacific Bell)LandlineSan Mateo
650-358AT&T (Pacific Bell)LandlineSan Mateo
650-359AT&T (Pacific Bell)LandlinePacifica
650-360OnvoyLandlineSsnfrncsco
650-361AT&T (Pacific Bell)LandlineRedwood Cy
650-362MCI/VerizonWirelessRedwood Cy
650-363AT&T (Pacific Bell)LandlineRedwood Cy
650-364AT&T (Pacific Bell)LandlineRedwood Cy
650-365AT&T (Pacific Bell)LandlineRedwood Cy
650-366AT&T (Pacific Bell)LandlineRedwood Cy
650-367AT&T (Pacific Bell)LandlineRedwood Cy
650-368AT&T (Pacific Bell)LandlineRedwood Cy
650-369AT&T (Pacific Bell)LandlineRedwood Cy
650-370Bandwidth.comLandlinePalo Alto
650-371Usa Mobility WirelessWirelessSan Mateo
650-372AT&T (Pacific Bell)LandlineSan Mateo
650-373AT&T (Pacific Bell)LandlineSan Mateo
650-374AT&T MobilityWirelessPalo Alto
650-375AT&T (Pacific Bell)LandlineSan Mateo
650-376Lumen/Level 3LandlineSan Mateo
650-377AT&T (Pacific Bell)LandlineSan Mateo
650-378AT&T (Pacific Bell)LandlineSan Mateo
650-379MCI/VerizonWirelessSsnfrncsco
650-380Verizon WirelessWirelessPalo Alto
650-381AT&T (Pacific Bell)LandlineRedwood Cy
650-382Lumen/Level 3LandlinePalo Alto
650-383Teleport Communications AmericaLandlineLos Altos
650-384Teleport Communications AmericaLandlinePalo Alto
650-385Teleport Communications AmericaLandlineRedwood Cy
650-386Teleport Communications AmericaLandlineMt View
650-387AT&T MobilityWirelessPalo Alto
650-388MCI/VerizonWirelessPalo Alto
650-389MCI/VerizonWirelessSan Mateo
650-390AT&T (Pacific Bell)LandlineMt View
650-391Lumen/Level 3LandlinePalo Alto
650-392Lumen/Level 3LandlineSsnfrncsco
650-393Lumen/Level 3LandlineSan Mateo
650-394Lumen/Level 3LandlineSncrl-Blmt
650-395Lumen/Level 3LandlineRedwood Cy
650-396T-MobileWirelessMt View
650-397Bandwidth.comLandlineLos Altos
650-398Verizon WirelessWirelessSan Mateo
650-399OnvoyLandlineRedwood Cy
650-400Verizon WirelessWirelessRedwood Cy
650-401AT&T (Pacific Bell)LandlineSan Mateo
650-402T-MobileWirelessHalfmoonby
650-403MCI/VerizonWirelessSan Mateo
650-404AT&T (Pacific Bell)LandlineMt View
650-405AT&T MobilityWirelessLos Altos
650-406American Messaging ServicesLandlineMt View
650-407Verizon WirelessWirelessPalo Alto
650-408AT&T MobilityWirelessMt View
650-409U.S. TelepacificLandlineMillbrae
650-410OnvoyLandlineSsnfrncsco
650-411Multiple Ocn ListingLandlineXxxxxxxxxx
650-412MCI/VerizonWirelessSncrl-Blmt
650-413AT&T (Pacific Bell)LandlineSncrl-Blmt
650-414Teleport Communications AmericaLandlineRedwood Cy
650-416U.S. TelepacificLandlineSsnfrncsco
650-417U.S. TelepacificLandlineMt View
650-418Verizon WirelessWirelessSan Mateo
650-419Lumen/Level 3LandlineLa Honda
650-420T-MobileWirelessPacifica
650-421U.S. TelepacificLandlineRedwood Cy
650-422Verizon WirelessWirelessPalo Alto
650-423Utility Telecom GroupLandlineRedwood Cy
650-424AT&T (Pacific Bell)LandlinePalo Alto
650-425MCI/VerizonWirelessSan Mateo
650-426MCI/VerizonWirelessMt View
650-427MCI/VerizonWirelessPalo Alto
650-428AT&T (Pacific Bell)LandlineMt View
650-429MCI/VerizonWirelessMt View
650-430T-MobileWirelessSan Mateo
650-431T-MobileWirelessSan Mateo
650-432AT&T (Pacific Bell)LandlineSan Mateo
650-433MCI/VerizonWirelessPalo Alto
650-434U.S. TelepacificLandlineWoodside
650-435Verizon WirelessWirelessSan Mateo
650-436AT&T MobilityWirelessSan Mateo
650-437Bandwidth.comLandlineSan Mateo
650-438AT&T MobilityWirelessSsnfrncsco
650-439AT&T MobilityWirelessMt View
650-440T-MobileWirelessHalfmoonby
650-441Verizon WirelessWirelessPalo Alto
650-442Bandwidth.comLandlineSsnfrncsco
650-443U.S. TelepacificLandlineMillbrae
650-444T-MobileWirelessPalo Alto
650-445T-MobileWirelessSan Mateo
650-446Bandwidth.comLandlineWoodside
650-447T-MobileWirelessMt View
650-448Peerless Network Of CaliforniaLandlineMt View
650-449MCI/VerizonWirelessSnfc Junpr
650-450AT&T MobilityWirelessMt View
650-451T-MobileWirelessPacifica
650-452AT&TLandlineSsnfrncsco
650-453Lumen/Level 3LandlineSncrl-Blmt
650-454AT&T MobilityWirelessRedwood Cy
650-455AT&T MobilityWirelessMillbrae
650-456OnvoyLandlinePescadero
650-457AT&T MobilityWirelessSsnfrncsco
650-458Astound BroadbandLandlineSan Mateo
650-459Bandwidth.comLandlineHalfmoonby
650-460AT&T MobilityWirelessPalo Alto
650-461AT&T (Pacific Bell)LandlinePalo Alto
650-462AT&T (Pacific Bell)LandlinePalo Alto
650-463AT&T (Pacific Bell)LandlinePalo Alto
650-464Verizon WirelessWirelessRedwood Cy
650-465Verizon WirelessWirelessRedwood Cy
650-466AT&T (Pacific Bell)LandlineSnfc Junpr
650-467AT&T (Pacific Bell)LandlineSsnfrncsco
650-468T-MobileWirelessPalo Alto
650-469MCI/VerizonWirelessLos Altos
650-470AT&T (Pacific Bell)LandlinePalo Alto
650-471U.S. TelepacificLandlineLos Altos
650-472Lumen/Level 3LandlineLos Altos
650-473AT&T (Pacific Bell)LandlinePalo Alto
650-474AT&T (Pacific Bell)LandlineRedwood Cy
650-475MCI/VerizonWirelessPalo Alto
650-476T-MobileWirelessHalfmoonby
650-477Verizon WirelessWirelessSan Mateo
650-478AT&T (Pacific Bell)LandlineSnfc Cntrl
650-479U.S. TelepacificLandlineHalfmoonby
650-480MCI/VerizonWirelessRedwood Cy
650-481MCI/VerizonWirelessRedwood Cy
650-482AT&T (Pacific Bell)LandlineRedwood Cy
650-483AT&T MobilityWirelessSan Mateo
650-484AT&T MobilityWirelessSan Mateo
650-485AT&T (Pacific Bell)LandlinePalo Alto
650-486AT&T (Pacific Bell)LandlineSncrl-Blmt
650-487U.S. TelepacificLandlineLa Honda
650-488Teleport Communications AmericaLandlineSnfc Junpr
650-489Lumen/Level 3LandlineSncrl-Blmt
650-490AT&T MobilityWirelessMillbrae
650-491Lumen/Level 3LandlineSsnfrncsco
650-492AT&T MobilityWirelessLos Altos
650-493AT&T (Pacific Bell)LandlinePalo Alto
650-494AT&T (Pacific Bell)LandlinePalo Alto
650-495T-MobileWirelessMt View
650-496AT&T (Pacific Bell)LandlinePalo Alto
650-497Lumen/Level 3LandlinePalo Alto
650-498Lumen/Level 3LandlinePalo Alto
650-499Bandwidth.comLandlineMt View
650-500American Messaging ServicesLandlineSncrl-Blmt
650-501Bandwidth.comLandlinePacifica
650-502Bandwidth.comLandlineSsnfrncsco
650-503U.S. TelepacificLandlineRedwood Cy
650-504AT&T MobilityWirelessSan Mateo
650-505AT&T MobilityWirelessPalo Alto
650-506AT&T (Pacific Bell)LandlineSncrl-Blmt
650-507T-MobileWirelessPalo Alto
650-508AT&T (Pacific Bell)LandlineSncrl-Blmt
650-509Verizon WirelessWirelessPalo Alto
650-511Multiple Ocn ListingLandlineXxxxxxxxxx
650-512AT&T MobilityWirelessPalo Alto
650-513AT&T (Pacific Bell)LandlineSan Mateo
650-514Lumen/Level 3LandlineSan Mateo
650-515Lumen/Level 3LandlineSsnfrncsco
650-516U.S. TelepacificLandlinePacifica
650-517U.S. TelepacificLandlineSncrl-Blmt
650-518Metro by T-MobileWirelessLos Altos
650-519AT&T MobilityWirelessPalo Alto
650-520T-MobileWirelessSan Mateo
650-521ComcastLandlinePalo Alto
650-522AT&T (Pacific Bell)LandlineSan Mateo
650-523OnvoyLandlineSan Mateo
650-524AT&T (Pacific Bell)LandlineSan Mateo
650-525AT&T (Pacific Bell)LandlineSan Mateo
650-526AT&T (Pacific Bell)LandlineMt View
650-527AT&T (Pacific Bell)LandlineMt View
650-528AT&T (Pacific Bell)LandlineMt View
650-529AT&T (Pacific Bell)LandlineWoodside
650-530Teleport Communications AmericaLandlineWoodside
650-531Verizon WirelessWirelessPalo Alto
650-532U.S. TelepacificLandlineSan Mateo
650-533Metro by T-MobileWirelessSan Mateo
650-534MCI/VerizonWirelessSsnfrncsco
650-535U.S. TelepacificLandlineMoss Beach
650-536TelnyxLandlineSnfc Junpr
650-537T-MobileWirelessMt View
650-538U.S. TelepacificLandlinePescadero
650-539T-MobileWirelessSan Mateo
650-540Teleport Communications AmericaLandlineSsnfrncsco
650-541AT&T MobilityWirelessSan Mateo
650-542AT&T (Pacific Bell)LandlineRedwood Cy
650-543U.S. TelepacificLandlinePalo Alto
650-544T-MobileWirelessSan Mateo
650-545North County Communication Corporation - CaLandlineMt View
650-546Teleport Communications AmericaLandlinePalo Alto
650-547AT&T MobilityWirelessWoodside
650-548AT&T (Pacific Bell)LandlineSan Mateo
650-549MCI/VerizonWirelessRedwood Cy
650-550AT&T (Pacific Bell)LandlineSnfc Junpr
650-551AT&T (Pacific Bell)LandlineSncrl-Blmt
650-552AT&T (Pacific Bell)LandlineMillbrae
650-553AT&T (Pacific Bell)LandlineSsnfrncsco
650-554AT&T (Pacific Bell)LandlineSan Mateo
650-555Multiple Ocn ListingLandlineDir Asst
650-556AT&T (Pacific Bell)LandlineRedwood Cy
650-557AT&T (Pacific Bell)LandlinePacifica
650-558AT&T (Pacific Bell)LandlineSan Mateo
650-559AT&T (Pacific Bell)LandlineLos Altos
650-560AT&T (Pacific Bell)LandlineHalfmoonby
650-561AT&T (Pacific Bell)LandlinePalo Alto
650-562AT&T (Pacific Bell)LandlineRedwood Cy
650-563AT&T (Pacific Bell)LandlineMoss Beach
650-564AT&T (Pacific Bell)LandlineMt View
650-565AT&T (Pacific Bell)LandlinePalo Alto
650-566AT&T (Pacific Bell)LandlinePalo Alto
650-567AT&T (Pacific Bell)LandlineMt View
650-568AT&T (Pacific Bell)LandlineRedwood Cy
650-569AT&T (Pacific Bell)LandlineRedwood Cy
650-570AT&T (Pacific Bell)LandlineSan Mateo
650-571AT&T (Pacific Bell)LandlineSan Mateo
650-572AT&T (Pacific Bell)LandlineSan Mateo
650-573AT&T (Pacific Bell)LandlineSan Mateo
650-574AT&T (Pacific Bell)LandlineSan Mateo
650-575AT&T MobilityWirelessPalo Alto
650-576AT&T MobilityWirelessSan Mateo
650-577AT&T (Pacific Bell)LandlineSan Mateo
650-578AT&T (Pacific Bell)LandlineSan Mateo
650-579AT&T (Pacific Bell)LandlineSan Mateo
650-580AT&T MobilityWirelessSsnfrncsco
650-581Teleport Communications AmericaLandlineSan Mateo
650-582TelnyxLandlineMt View
650-583AT&T (Pacific Bell)LandlineSsnfrncsco
650-584AT&T (Pacific Bell)LandlineMt View
650-585Lumen/Level 3LandlineSncrl-Blmt
650-586TelnyxLandlinePalo Alto
650-587Lumen/Level 3LandlineRedwood Cy
650-588AT&T (Pacific Bell)LandlineSsnfrncsco
650-589AT&T (Pacific Bell)LandlineSsnfrncsco
650-590OnvoyLandlineSncrl-Blmt
650-591AT&T (Pacific Bell)LandlineSncrl-Blmt
650-592AT&T (Pacific Bell)LandlineSncrl-Blmt
650-593AT&T (Pacific Bell)LandlineSncrl-Blmt
650-594AT&T (Pacific Bell)LandlineSncrl-Blmt
650-595AT&T (Pacific Bell)LandlineSncrl-Blmt
650-596AT&T (Pacific Bell)LandlineSncrl-Blmt
650-597Utility Telecom GroupLandlineSncrl-Blmt
650-598AT&T (Pacific Bell)LandlineSncrl-Blmt
650-599AT&T (Pacific Bell)LandlineRedwood Cy
650-600OnvoyLandlinePalo Alto
650-602Verizon WirelessWirelessMt View
650-603AT&T (Pacific Bell)LandlineMt View
650-604AT&T (Pacific Bell)LandlineMt View
650-605MCI/VerizonWirelessMt View
650-606SpectrumLandlinePalo Alto
650-607AT&T (Pacific Bell)LandlineSncrl-Blmt
650-608Verizon WirelessWirelessSnfc Junpr
650-609T-MobileWirelessMillbrae
650-610AT&T (Pacific Bell)LandlineSncrl-Blmt
650-611Multiple Ocn ListingLandlineXxxxxxxxxx
650-612AT&T (Pacific Bell)LandlineSan Mateo
650-613T-MobileWirelessPalo Alto
650-614AT&T (Pacific Bell)LandlinePalo Alto
650-615AT&T (Pacific Bell)LandlineSsnfrncsco
650-616AT&T (Pacific Bell)LandlineSsnfrncsco
650-617AT&T (Pacific Bell)LandlinePalo Alto
650-618OnvoyLandlinePalo Alto
650-619AT&T MobilityWirelessSan Mateo
650-620AT&T (Pacific Bell)LandlineSncrl-Blmt
650-621AT&T (Pacific Bell)LandlinePalo Alto
650-622AT&T (Pacific Bell)LandlineSncrl-Blmt
650-623AT&T (Pacific Bell)LandlineMt View
650-624AT&T (Pacific Bell)LandlineSsnfrncsco
650-625AT&T (Pacific Bell)LandlineMt View
650-627AT&T (Pacific Bell)LandlineSan Mateo
650-628MCI/VerizonWirelessSncrl-Blmt
650-629FractelLandlineSan Mateo
650-630Metro by T-MobileWirelessPalo Alto
650-631AT&T (Pacific Bell)LandlineSncrl-Blmt
650-632AT&T (Pacific Bell)LandlineSncrl-Blmt
650-633AT&T (Pacific Bell)LandlineSncrl-Blmt
650-634AT&T (Pacific Bell)LandlineSsnfrncsco
650-635AT&T (Pacific Bell)LandlineSsnfrncsco
650-636MCI/VerizonWirelessSsnfrncsco
650-637AT&T (Pacific Bell)LandlineSncrl-Blmt
650-638AT&T (Pacific Bell)LandlineSan Mateo
650-639AT&T MobilityWirelessSan Mateo
650-640AT&T MobilityWirelessSncrl-Blmt
650-641Lumen/Level 3LandlineMt View
650-642T-MobileWirelessSan Mateo
650-643T-MobileWirelessPalo Alto
650-644AT&T MobilityWirelessPalo Alto
650-645Teleport Communications AmericaLandlineSan Mateo
650-646T-MobileWirelessPalo Alto
650-647Verizon WirelessWirelessRedwood Cy
650-648MCI/VerizonWirelessMillbrae
650-649OnvoyLandlineRedwood Cy
650-650OnvoyLandlineSan Mateo
650-651MCI/VerizonWirelessMillbrae
650-652AT&T (Pacific Bell)LandlineMillbrae
650-653MCI/VerizonWirelessSan Mateo
650-654AT&T (Pacific Bell)LandlineSncrl-Blmt
650-655AT&T (Pacific Bell)LandlineSan Mateo
650-656Lumen/Level 3LandlinePalo Alto
650-658OnvoyLandlineWoodside
650-659SpectrumLandlineSan Mateo
650-660T-MobileWirelessHalfmoonby
650-661T-MobileWirelessPacifica
650-662Hd CarrierLandlineLa Honda
650-663AT&T MobilityWirelessPacifica
650-664Verizon WirelessWirelessMt View
650-665Verizon WirelessWirelessPalo Alto
650-666Lumen/Level 3LandlinePalo Alto
650-667AT&T MobilityWirelessSan Mateo
650-668FractelLandlineLos Altos
650-669Metro by T-MobileWirelessMt View
650-670OnvoyLandlineRedwood Cy
650-671T-MobileWirelessSsnfrncsco
650-672OnvoyLandlineMillbrae
650-673AT&TLandlineLa Honda
650-674Bandwidth.comLandlineSncrl-Blmt
650-675T-MobileWirelessPacifica
650-676Utility Telecom GroupLandlineSsnfrncsco
650-677FractelLandlineSsnfrncsco
650-678Verizon WirelessWirelessSan Mateo
650-679Astound BroadbandLandlineRedwood Cy
650-680T-MobileWirelessLos Altos
650-681U.S. TelepacificLandlinePalo Alto
650-682Utility Telecom GroupLandlinePalo Alto
650-683Lumen/Level 3LandlineWoodside
650-684Lumen/Level 3LandlineMillbrae
650-685AT&T (Pacific Bell)LandlineSan Mateo
650-686MCI/VerizonWirelessMillbrae
650-687MCI/VerizonWirelessPalo Alto
650-688AT&T (Pacific Bell)LandlinePalo Alto
650-689Teleport Communications AmericaLandlineMillbrae
650-690AT&TLandlinePalo Alto
650-691AT&T (Pacific Bell)LandlineMt View
650-692AT&T (Pacific Bell)LandlineMillbrae
650-693Teleport Communications AmericaLandlineMt View
650-694AT&T (Pacific Bell)LandlineMt View
650-695Bandwidth.comLandlineMt View
650-696AT&T (Pacific Bell)LandlineSan Mateo
650-697AT&T (Pacific Bell)LandlineMillbrae
650-698T-MobileWirelessPalo Alto
650-699FractelLandlineSan Mateo
650-700Landline
650-701AT&T (Pacific Bell)LandlineRedwood Cy
650-702NusoLandlinePalo Alto
650-703AT&T MobilityWirelessSan Mateo
650-704AT&T MobilityWirelessPalo Alto
650-705T-MobileWirelessMt View
650-706OnvoyLandlineSan Mateo
650-708OnvoyLandlineSsnfrncsco
650-709AirespringLandlinePalo Alto
650-710OnvoyLandlineSnfc Junpr
650-711Multiple Ocn ListingLandlineXxxxxxxxxx
650-712AT&T (Pacific Bell)LandlineHalfmoonby
650-713MCI/VerizonWirelessHalfmoonby
650-714AT&T MobilityWirelessPalo Alto
650-715OnvoyLandlineSan Mateo
650-716MCI/VerizonWirelessRedwood Cy
650-718Teleport Communications AmericaLandlineMoss Beach
650-719MCI/VerizonWirelessMoss Beach
650-720MCI/VerizonWirelessHalfmoonby
650-721Lumen/Level 3LandlinePalo Alto
650-722Verizon WirelessWirelessRedwood Cy
650-723Lumen/Level 3LandlinePalo Alto
650-724Lumen/Level 3LandlinePalo Alto
650-725Lumen/Level 3LandlinePalo Alto
650-726AT&T (Pacific Bell)LandlineHalfmoonby
650-727Bandwidth.comLandlineSan Mateo
650-728AT&T (Pacific Bell)LandlineMoss Beach
650-729Teleport Communications AmericaLandlineHalfmoonby
650-730Verizon WirelessWirelessSncrl-Blmt
650-731Astound BroadbandLandlineSnfc Junpr
650-732Verizon WirelessWirelessMillbrae
650-733MCI/VerizonWirelessPacifica
650-734OnvoyLandlineRedwood Cy
650-735Teleport Communications AmericaLandlinePacifica
650-736Lumen/Level 3LandlinePalo Alto
650-737AT&T (Pacific Bell)LandlineSsnfrncsco
650-738AT&T (Pacific Bell)LandlinePacifica
650-739AT&T (Pacific Bell)LandlinePalo Alto
650-740AT&T MobilityWirelessSan Mateo
650-741AT&T (Pacific Bell)LandlineSsnfrncsco
650-742AT&T (Pacific Bell)LandlineSsnfrncsco
650-743AT&T MobilityWirelessRedwood Cy
650-744FractelLandlineMt View
650-745Teleport Communications AmericaLandlineSsnfrncsco
650-746AT&T (Pacific Bell)LandlineSnfc Junpr
650-747AT&T (Pacific Bell)LandlineLa Honda
650-748Teleport Communications AmericaLandlineLa Honda
650-749MCI/VerizonWirelessLa Honda
650-750OnvoyLandlineHalfmoonby
650-751Boost SubscribercoWirelessWoodside
650-752AT&T (Pacific Bell)LandlinePalo Alto
650-753T-MobileWirelessSan Mateo
650-754AT&T (Pacific Bell)LandlineSsnfrncsco
650-755AT&T (Pacific Bell)LandlineSnfc Junpr
650-756AT&T (Pacific Bell)LandlineSnfc Junpr
650-757AT&T (Pacific Bell)LandlineSnfc Junpr
650-758AT&T (Pacific Bell)LandlineSnfc Junpr
650-759Verizon WirelessWirelessSan Mateo
650-760Teleport Communications AmericaLandlineSsnfrncsco
650-761AT&T (Pacific Bell)LandlineSnfc Junpr
650-762AT&T (Pacific Bell)LandlineSan Mateo
650-763Lumen/Level 3LandlineSsnfrncsco
650-764OnvoyLandlineMt View
650-766AT&T MobilityWirelessSan Mateo
650-768Paetec ItelLandlineLos Altos
650-769MCI/VerizonWirelessSncrl-Blmt
650-770OnvoyLandlineLos Altos
650-771Metro by T-MobileWirelessRedwood Cy
650-772T-MobileWirelessMt View
650-773Verizon WirelessWirelessSan Mateo
650-774OnvoyLandlineLos Altos
650-776Metro by T-MobileWirelessPalo Alto
650-777AT&T (Pacific Bell)LandlineMillbrae
650-779Teleport Communications AmericaLandlineRedwood Cy
650-780AT&T (Pacific Bell)LandlineRedwood Cy
650-781Bandwidth.comLandlineSan Mateo
650-782Ton80 CommunicationsLandlineLos Altos
650-784T-MobileWirelessSsnfrncsco
650-785Verizon WirelessWirelessPalo Alto
650-786AT&T (Pacific Bell)LandlineRedwood Cy
650-787AT&T MobilityWirelessSan Mateo
650-788FractelLandlinePalo Alto
650-789FractelLandlineMt View
650-793Verizon WirelessWirelessMt View
650-794AT&T (Pacific Bell)LandlineSsnfrncsco
650-795MCI/VerizonWirelessLa Honda
650-796AT&T MobilityWirelessPalo Alto
650-797AT&T MobilityWirelessSsnfrncsco
650-798Teleport Communications AmericaLandlinePalo Alto
650-799AT&T MobilityWirelessPalo Alto
650-800OnvoyLandlinePalo Alto
650-801Teleport Communications AmericaLandlineSncrl-Blmt
650-802AT&T (Pacific Bell)LandlineSncrl-Blmt
650-804AT&T MobilityWirelessPalo Alto
650-808AT&T (Pacific Bell)LandlineSsnfrncsco
650-810U.S. TelepacificLandlineMt View
650-811Multiple Ocn ListingLandlineXxxxxxxxxx
650-812AT&T (Pacific Bell)LandlinePalo Alto
650-813AT&T (Pacific Bell)LandlinePalo Alto
650-814Metro by T-MobileWirelessPalo Alto
650-815MCI/VerizonWirelessPalo Alto
650-817AT&T (Pacific Bell)LandlineRedwood Cy
650-820SpectrumLandlineRedwood Cy
650-821Teleport Communications AmericaLandlineSsnfrncsco
650-822OnvoyLandlineSsnfrncsco
650-823AT&T MobilityWirelessLos Altos
650-825MCI/VerizonWirelessSsnfrncsco
650-826T-MobileWirelessSsnfrncsco
650-827AT&T (Pacific Bell)LandlineSsnfrncsco
650-829AT&T (Pacific Bell)LandlineSsnfrncsco
650-830Lumen/Level 3LandlineSncrl-Blmt
650-832U.S. TelepacificLandlineSncrl-Blmt
650-833AT&T (Pacific Bell)LandlinePalo Alto
650-834Metro by T-MobileWirelessSsnfrncsco
650-835Ip HorizonLandlineSsnfrncsco
650-836Lumen/Level 3LandlinePescadero
650-837AT&T (Pacific Bell)LandlineSsnfrncsco
650-838AT&T (Pacific Bell)LandlinePalo Alto
650-839AT&T (Pacific Bell)LandlineRedwood Cy
650-842AT&T (Pacific Bell)LandlinePalo Alto
650-843AT&T (Pacific Bell)LandlinePalo Alto
650-844FractelLandlineSan Mateo
650-845AT&T (Pacific Bell)LandlinePalo Alto
650-846AT&T (Pacific Bell)LandlinePalo Alto
650-847MCI/VerizonWirelessPalo Alto
650-849AT&T (Pacific Bell)LandlinePalo Alto
650-850MCI/VerizonWirelessWoodside
650-851AT&T (Pacific Bell)LandlineWoodside
650-852AT&T (Pacific Bell)LandlinePalo Alto
650-853AT&T (Pacific Bell)LandlinePalo Alto
650-854AT&T (Pacific Bell)LandlinePalo Alto
650-855AT&T (Pacific Bell)LandlinePalo Alto
650-856AT&T (Pacific Bell)LandlinePalo Alto
650-857AT&T (Pacific Bell)LandlinePalo Alto
650-858AT&T (Pacific Bell)LandlinePalo Alto
650-859AT&T (Pacific Bell)LandlinePalo Alto
650-860Lumen/Level 3LandlinePescadero
650-861T-MobileWirelessMt View
650-862AT&T MobilityWirelessPalo Alto
650-863AT&T MobilityWirelessSan Mateo
650-864AT&T (Pacific Bell)LandlineMt View
650-865AT&T MobilityWirelessSan Mateo
650-866AT&T (Pacific Bell)LandlineSsnfrncsco
650-867AT&T MobilityWirelessSan Mateo
650-868AT&T MobilityWirelessRedwood Cy
650-869AT&T (Pacific Bell)LandlineSsnfrncsco
650-870Bandwidth.comLandlineSsnfrncsco
650-871AT&T (Pacific Bell)LandlineSsnfrncsco
650-872AT&T (Pacific Bell)LandlineSsnfrncsco
650-873AT&T (Pacific Bell)LandlineSsnfrncsco
650-874AT&T (Pacific Bell)LandlineSsnfrncsco
650-875AT&T (Pacific Bell)LandlineSsnfrncsco
650-876AT&T (Pacific Bell)LandlineSsnfrncsco
650-877AT&T (Pacific Bell)LandlineSsnfrncsco
650-878AT&T (Pacific Bell)LandlineSsnfrncsco
650-879AT&T (Pacific Bell)LandlinePescadero
650-880AT&T MobilityWirelessMt View
650-881Teleport Communications AmericaLandlinePescadero
650-882OnvoyLandlinePescadero
650-885Lumen/Level 3LandlinePalo Alto
650-887OnvoyLandlineLos Altos
650-888AT&T MobilityWirelessSan Mateo
650-889Ip HorizonLandlineHalfmoonby
650-892AT&T MobilityWirelessSsnfrncsco
650-897Lumen/Level 3LandlineMoss Beach
650-898ComcastLandlinePacifica
650-899OnvoyLandlineLa Honda
650-900OnvoyLandlineLos Altos
650-903AT&T (Pacific Bell)LandlineMt View
650-906Metro by T-MobileWirelessPalo Alto
650-910OnvoyLandlineSsnfrncsco
650-911Multiple Ocn ListingLandlineXxxxxxxxxx
650-912CommioLandlineHalfmoonby
650-917AT&T (Pacific Bell)LandlineLos Altos
650-918AT&TLandlineSan Mateo
650-919AT&T (Pacific Bell)LandlineMt View
650-921Metro by T-MobileWirelessSan Mateo
650-922Verizon WirelessWirelessSsnfrncsco
650-924Metro by T-MobileWirelessPalo Alto
650-926AT&T (Pacific Bell)LandlinePalo Alto
650-930MCI/VerizonWirelessMt View
650-931U.S. TelepacificLandlineSan Mateo
650-932AT&T (Pacific Bell)LandlineMt View
650-933AT&T (Pacific Bell)LandlineMt View
650-934AT&T (Pacific Bell)LandlineMt View
650-935MCI/VerizonWirelessLos Altos
650-937AT&T (Pacific Bell)LandlineMt View
650-938AT&T (Pacific Bell)LandlineMt View
650-940AT&T (Pacific Bell)LandlineMt View
650-941AT&T (Pacific Bell)LandlineLos Altos
650-942Verizon WirelessWirelessMillbrae
650-943AT&T (Pacific Bell)LandlineMt View
650-944AT&T (Pacific Bell)LandlineMt View
650-946ComcastLandlineLos Altos
650-947AT&T (Pacific Bell)LandlineLos Altos
650-948AT&T (Pacific Bell)LandlineLos Altos
650-949AT&T (Pacific Bell)LandlineLos Altos
650-950Landline
650-952AT&T (Pacific Bell)LandlineSsnfrncsco
650-954T-MobileWirelessSan Mateo
650-955FractelLandlineHalfmoonby
650-958Landline
650-959Landline
650-960AT&T (Pacific Bell)LandlineMt View
650-961AT&T (Pacific Bell)LandlineMt View
650-962AT&T (Pacific Bell)LandlineMt View
650-963OnvoyLandlineMt View
650-964AT&T (Pacific Bell)LandlineMt View
650-965AT&T (Pacific Bell)LandlineMt View
650-966AT&T (Pacific Bell)LandlineMt View
650-967AT&T (Pacific Bell)LandlineMt View
650-968AT&T (Pacific Bell)LandlineMt View
650-969AT&T (Pacific Bell)LandlineMt View
650-976Landline
650-977FractelLandlinePacifica
650-980MCI/VerizonWirelessRedwood Cy
650-984OnvoyLandlinePacifica
650-985AT&T (Pacific Bell)LandlineSnfc Junpr
650-988AT&T (Pacific Bell)LandlineMt View
650-989Lumen/Level 3LandlineSsnfrncsco
650-991AT&T (Pacific Bell)LandlineSnfc Junpr
650-992AT&T (Pacific Bell)LandlineSnfc Junpr
650-993AT&T (Pacific Bell)LandlineSnfc Junpr
650-994AT&T (Pacific Bell)LandlineSnfc Junpr
650-995AT&T (Pacific Bell)LandlineRedwood Cy
650-996AT&T MobilityWirelessMt View
650-997AT&T (Pacific Bell)LandlineSnfc Junpr
650-999OnvoyLandlinePalo Alto

All 40 area codes in California

650209213310323341350357369408415424442510530559562619626628657661669707714738747760805818820831837840858909916925949951

About Area Code 650

Area code 650 popped up in 1997, right when the tech boom was heating up in California's Bay Area. Back then, the old codes were getting swamped with all the new folks moving in for jobs at startups and big companies, so they carved out 650 from an existing one to handle the overflow. It's all about that slice of the peninsula south of San Francisco, covering spots like San Mateo, where you might find yourself stuck in traffic heading to the beach, or Mountain View, buzzing with engineers tinkering away. This code serves 15 cities altogether, from the cozy suburbs of Belmont to the seaside vibes of Half Moon Bay. Picture driving down Highway 1, phone in hand, calling friends in Menlo Park about the latest gadget—it's that kind of place, where innovation meets the ocean. What sets 650 apart is its mix of high-tech hubs and laid-back coastal living; you've got Stanford nearby in Palo Alto, drawing brainy types, and quiet towns like Millbrae offering a breather from the city rush. If you're from here, you know the drill: quick chats about surf reports or software updates. It's not just numbers on a page—it's the heartbeat of a region that's always on the move, yet still holds onto that California charm.

⚠ Scam & Spam Alert for 650

In California, calls from 650 can sometimes bring unwanted surprises, like scammers trying to trick you. You might get hit with IRS scams, where someone pretends to be from the government demanding payment for taxes you don't owe. Then there's the auto warranty racket, with smooth talkers pushing fake extended plans for your car. Don't forget Medicare fraud, especially if you're older; they'll dangle offers for free medical gear that strings you along for your info. These pests are crafty, but they're not unbeatable. A good rule is to never give out personal details over the phone to unknown callers. Instead, take a beat, hang up, and verify any claims directly with the official source—that's a smart move to keep your info safe.

Local Snapshot

San Mateo County is home to about 770,000 people, making it a pretty crowded spot on the peninsula. Tech drives the economy here, with companies like Google in Mountain View pushing innovation forward every day. The area is famous for its stunning coastline, where you can catch waves at Half Moon Bay or just enjoy a sunset stroll. What's surprising is how pricey real estate gets; some neighborhoods in Menlo Park have homes costing millions, thanks to all those Silicon Valley bigwigs.

Frequently Asked Questions

Where is area code 650?
Area code 650 serves San Mateo and surrounding communities in California, including Belmont, Burlingame, Daly City, Encourage City, Half Moon Bay and 10 more. It is in the Pacific time zone.
What cities are in area code 650?
Area code 650 covers 15 cities in California: Belmont, Burlingame, Daly City, Encourage City, Half Moon Bay, Menlo Park, Millbrae, Mountain View, Pacifica, Palo Alto, and 5 more
What time zone is 650?
Area code 650 is in the Pacific time zone (UTC-8).
When was area code 650 created?
Area code 650 was established in 1997 as a geographic split from a larger area code region.
Is 650 a legitimate area code?
Yes, 650 is a valid, active area code assigned to San Mateo, California. However, scammers can spoof any area code, so receiving a call from 650 doesn't guarantee the caller is actually in this area.

Has area code 650 ever been split?

Area code 650 was created in 1997 as a split from area code 415 to serve the San Francisco Peninsula. This split helped manage the increasing demand for phone numbers in the region. It covers cities like Menlo Park and Daly City without any further splits since then.

What tech companies are based in the 650 area code?

Menlo Park in the 650 area code is the headquarters for Meta, formerly Facebook. Other firms like Tesla have operations in nearby locations within this code. The area also supports startups in Encourage City focused on software and hardware development.

What outdoor events occur in cities under area code 650?

Half Moon Bay in the 650 area code hosts the annual Pumpkin Festival, drawing visitors for its coastal setting. This event features local agriculture and community activities along the Pacific coast. Other cities like Burlingame offer parks for year-round outdoor gatherings.