857

Boston, Massachusetts

Massachusetts · Eastern (UTC-5) · — · 6 cities

State
Massachusetts
Major City
Boston
Time Zone
Eastern (UTC-5)
Current Local Time
—
Cities Served
6

Cities Served by Area Code 857 (6 cities)

Boston+1 codeBrookline+1 codeCambridge+1 codeNewton+1 codeQuincy+3 codesSomerville+1 code
Additional Details
Established
2001
Type
Overlay
Active Prefixes
381
Wireless Lines
33%

About Area Code 857

Area code 857 was introduced in 2001 as an overlay code, sharing the same geographic region as an existing area code to meet growing demand for phone numbers in the Boston area. The area is in the Eastern time zone. It covers 6 cities and communities including Boston, Brookline, Cambridge, Newton, Quincy and 1 more.

Phone Number Prefixes in Area Code 857

381 active NXX prefixes — 33% wireless, 67% landline. Each prefix (NXX) represents up to 10,000 phone numbers.

Verizon Wireless 66 (17%)Omnipoint Miami E License 61 (16%)Onvoy 42 (11%)Metro by T-Mobile 25 (7%)Paetec Itel 19 (5%)
PrefixCarrierTypeRate Center
857-200Verizon WirelessWirelessBoston
857-201Metro by T-MobileWirelessWinthrop
857-202Verizon WirelessWirelessBoston
857-203Verizon New EnglandLandlineJamaica Pl
857-204Omnipoint Miami E LicenseLandlineBoston
857-205AT&T MobilityWirelessBoston
857-206Verizon WirelessWirelessBoston
857-207Verizon WirelessWirelessBoston
857-208Verizon WirelessWirelessBoston
857-209Lumen/Level 3LandlineCambridge
857-210Omnipoint Miami E LicenseLandlineBoston
857-211Multiple Ocn ListingLandlineXxxxxxxxxx
857-212Metro by T-MobileWirelessDorchester
857-213Paetec ItelLandlineBoston
857-214Verizon WirelessWirelessBoston
857-215Verizon New EnglandLandlineBrookline
857-216Ymax CommunicationsLandlineNewton
857-217Metro by T-MobileWirelessDorchester
857-218Verizon New EnglandLandlineBrookline
857-219OnvoyLandlineNewton
857-220Paetec ItelLandlineDorchester
857-221Metro by T-MobileWirelessBoston
857-222Omnipoint Miami E LicenseLandlineBoston
857-223Paetec ItelLandlineBoston
857-224Verizon New EnglandLandlineBoston
857-225Verizon WirelessWirelessBrookline
857-226U.S. TelepacificLandlineNewton
857-227MCI/VerizonWirelessSomerville
857-228Paetec ItelLandlineWatertown
857-229Paetec ItelLandlineNewton
857-230Omnipoint Miami E LicenseLandlineRoxbury
857-231Metro by T-MobileWirelessNewton
857-232OnvoyLandlineNewton
857-233Omnipoint Miami E LicenseLandlineBoston
857-234Omnipoint Miami E LicenseLandlineBrookline
857-235Verizon New EnglandLandlineCambridge
857-236Metro by T-MobileWirelessBoston
857-237Metro by T-MobileWirelessBoston
857-238Verizon New EnglandLandlineBoston
857-239OnvoyLandlineBoston
857-240Peerless Network Of MassachusettsLandlineNewton
857-241Lumen/Level 3LandlineBoston
857-242U.S. TelepacificLandlineCambridge
857-243OnvoyLandlineBoston
857-244Bandwidth.comLandlineBoston
857-245Ymax CommunicationsLandlineBrookline
857-246Metro by T-MobileWirelessBoston
857-247Metro by T-MobileWirelessBoston
857-248Verizon WirelessWirelessBoston
857-249Metro by T-MobileWirelessBoston
857-250Omnipoint Miami E LicenseLandlineBoston
857-251Metro by T-MobileWirelessBoston
857-252Paetec ItelLandlineQuincy
857-253Paetec ItelLandlineCambridge
857-254Paetec ItelLandlineBoston
857-255Paetec ItelLandlineNewton
857-256Peerless Network Of MassachusettsLandlineEastboston
857-257Metro by T-MobileWirelessSo Boston
857-258Metro by T-MobileWirelessBoston
857-259AT&T MobilityWirelessCambridge
857-260Verizon WirelessWirelessBoston
857-261Metro by T-MobileWirelessBoston
857-262Verizon WirelessWirelessBoston
857-263Verizon WirelessWirelessBoston
857-264Omnipoint Miami E LicenseLandlineBoston
857-265AT&T MobilityWirelessBoston
857-266Metro by T-MobileWirelessBoston
857-267ComcastLandlineMilton
857-268Verizon WirelessWirelessBoston
857-269Peerless Network Of MassachusettsLandlineRoxbury
857-270Verizon WirelessWirelessCambridge
857-271OnvoyLandlineDorchester
857-272AT&T MobilityWirelessBoston
857-273ComcastLandlineJamaica Pl
857-274Verizon WirelessWirelessBoston
857-275Verizon WirelessWirelessBoston
857-276Verizon WirelessWirelessBoston
857-277Omnipoint Miami E LicenseLandlineBoston
857-278Verizon WirelessWirelessBoston
857-279Verizon WirelessWirelessNewton
857-280OnvoyLandlineBrighton
857-281Verizon WirelessWirelessQuincy
857-282Verizon New EnglandLandlineBoston
857-283Verizon WirelessWirelessBoston
857-284Omnipoint Miami E LicenseLandlineBoston
857-285Paetec ItelLandlineCambridge
857-286Verizon WirelessWirelessBoston
857-287Metro by T-MobileWirelessBoston
857-288MCI/VerizonWirelessBoston
857-289OnvoyLandlineBoston
857-290Verizon WirelessWirelessNewton
857-291Verizon WirelessWirelessBoston
857-292Verizon WirelessWirelessBoston
857-293Paetec ItelLandlineEastboston
857-294Verizon WirelessWirelessBoston
857-295Verizon WirelessWirelessBoston
857-296Lumen/Level 3LandlineBoston
857-297ComcastLandlineNewton
857-298SpectrumLandlineCambridge
857-299OnvoyLandlineBelmont
857-300Verizon WirelessWirelessBoston
857-301Verizon WirelessWirelessBoston
857-302AirusLandlineBoston
857-303Verizon WirelessWirelessBoston
857-304Tc SystemsLandlineWatertown
857-305Lumen/Level 3LandlineBoston
857-306CenturyLinkLandlineBoston
857-307Verizon New EnglandLandlineBrookline
857-308Omnipoint Miami E LicenseLandlineRoxbury
857-309OnvoyLandlineDorchester
857-310Omnipoint Miami E LicenseLandlineBoston
857-311Multiple Ocn ListingLandlineXxxxxxxxxx
857-312Metro by T-MobileWirelessBoston
857-313Omnipoint Miami E LicenseLandlineBoston
857-314Bandwidth.comLandlineMilton
857-315CenturyLinkLandlineBoston
857-316Omnipoint Miami E LicenseLandlineBrighton
857-317CenturyLinkLandlineBoston
857-318MCI/VerizonWirelessBoston
857-319Verizon WirelessWirelessBoston
857-320Omnipoint Miami E LicenseLandlineCambridge
857-321Verizon WirelessWirelessBoston
857-322ComcastLandlineEastboston
857-323Verizon New EnglandLandlineChelsea
857-324Verizon WirelessWirelessBoston
857-325Verizon WirelessWirelessNewton
857-326Verizon WirelessWirelessBoston
857-327Verizon WirelessWirelessBoston
857-328Voip InnovationsLandlineBoston
857-329Verizon WirelessWirelessBoston
857-330Verizon WirelessWirelessBoston
857-331Verizon WirelessWirelessCambridge
857-332Verizon WirelessWirelessBoston
857-333Omnipoint Miami E LicenseLandlineBoston
857-334Omnipoint Miami E LicenseLandlineBoston
857-335Csc WirelessWirelessBoston
857-336OnvoyLandlineWinthrop
857-337Verizon WirelessWirelessBrookline
857-338Tc SystemsLandlineBoston
857-339CommioLandlineRoxbury
857-340Omnipoint Miami E LicenseLandlineBrookline
857-341Bandwidth.comLandlineBelmont
857-342Verizon WirelessWirelessHyde Park
857-343Verizon WirelessWirelessBoston
857-344Verizon WirelessWirelessQuincy
857-345Verizon WirelessWirelessHyde Park
857-346TelengyLandlineBoston
857-347Advanced Telecom SolutionsLandlineBoston
857-348AT&T MobilityWirelessBoston
857-349Bandwidth.comLandlineWinthrop
857-350Verizon WirelessWirelessBoston
857-351Omnipoint Miami E LicenseLandlineRoxbury
857-352Omnipoint Miami E LicenseLandlineBrookline
857-353MCI/VerizonWirelessBoston
857-354Omnipoint Miami E LicenseLandlineBoston
857-355AirusLandlineEverett
857-356Omnipoint Miami E LicenseLandlineBoston
857-357MegaphoneLandlineCambridge
857-358AT&T MobilityWirelessQuincy
857-359Verizon WirelessWirelessQuincy
857-360Verizon WirelessWirelessBoston
857-361Omnipoint Miami E LicenseLandlineBrookline
857-362Verizon New EnglandLandlineBoston
857-363Verizon WirelessWirelessEverett
857-364Paetec ItelLandlineBrookline
857-365NusoLandlineBoston
857-366Verizon WirelessWirelessBoston
857-367Tc SystemsLandlineWatertown
857-368Paetec ItelLandlineBoston
857-369Lumen/Level 3LandlineBoston
857-370Omnipoint Miami E LicenseLandlineBrookline
857-371OnvoyLandlineWatertown
857-372Verizon WirelessWirelessQuincy
857-373Paetec ItelLandlineBelmont
857-374OnvoyLandlineQuincy
857-375OnvoyLandlineDorchester
857-376Omnipoint Miami E LicenseLandlineBrookline
857-377Paetec ItelLandlineBoston
857-378Verizon New EnglandLandlineBoston
857-379CommioLandlineRoxbury
857-380OnvoyLandlineEastboston
857-381Omnipoint Miami E LicenseLandlineBrookline
857-382OnvoyLandlineEastboston
857-383Tc SystemsLandlineBoston
857-384OnvoyLandlineBrighton
857-385AT&T MobilityWirelessDorchester
857-386Verizon New EnglandLandlineChelsea
857-387ComcastLandlineQuincy
857-388CommioLandlineSomerville
857-389Omnipoint Miami E LicenseLandlineCharlestn
857-390Omnipoint Miami E LicenseLandlineBrookline
857-391Omnipoint Miami E LicenseLandlineCharlestn
857-392OnvoyLandlineJamaica Pl
857-393Verizon WirelessWirelessBoston
857-394MCI/VerizonWirelessBelmont
857-395Omnipoint Miami E LicenseLandlineRoxbury
857-396Omnipoint Miami E LicenseLandlineBrookline
857-397Omnipoint Miami E LicenseLandlineRoxbury
857-398Omnipoint Miami E LicenseLandlineRoxbury
857-399Bandwidth.comLandlineRoxbury
857-400Bandwidth.comLandlineBoston
857-401Paetec ItelLandlineSo Boston
857-402Hd CarrierLandlineEastboston
857-403Paetec ItelLandlineQuincy
857-404ComcastLandlineNewton
857-405Omnipoint Miami E LicenseLandlineBrookline
857-406Verizon WirelessWirelessBoston
857-407AT&T MobilityWirelessRoxbury
857-408Verizon WirelessWirelessBoston
857-409Verizon WirelessWirelessBoston
857-410Bandwidth.comLandlineCharlestn
857-411Multiple Ocn ListingLandlineXxxxxxxxxx
857-412OnvoyLandlineCambridge
857-413Lumen/Level 3LandlineBoston
857-414Hd CarrierLandlineBrighton
857-415VonageLandlineBoston
857-416U.S. TelepacificLandlineBoston
857-417Metro by T-MobileWirelessBoston
857-418U.S. TelepacificLandlineDorchester
857-419AT&T MobilityWirelessMilton
857-420OnvoyLandlineCambridge
857-421Omnipoint Miami E LicenseLandlineBrookline
857-422OnvoyLandlineSo Boston
857-423Omnipoint Miami E LicenseLandlineBrookline
857-424AT&T MobilityWirelessRoxbury
857-425AT&T MobilityWirelessBrighton
857-426Omnipoint Miami E LicenseLandlineBrookline
857-427Omnipoint Miami E LicenseLandlineBoston
857-428OnvoyLandlineEverett
857-429Omnipoint Miami E LicenseLandlineRoxbury
857-430AT&T MobilityWirelessBoston
857-431WavenationLandlineBoston
857-432Omnipoint Miami E LicenseLandlineBrookline
857-437Omnipoint Miami E LicenseLandlineRoxbury
857-443CommioLandlineBoston
857-444Peerless Network Of MassachusettsLandlineBoston
857-445AT&T MobilityWirelessBoston
857-449ComcastLandlineBoston
857-452Omnipoint Miami E LicenseLandlineCharlestn
857-453Lumen/Level 3LandlineBoston
857-465FractelLandlineBoston
857-466Ton80 CommunicationsLandlineHyde Park
857-467Ton80 CommunicationsLandlineSomerville
857-468Ton80 CommunicationsLandlineCharlestn
857-472AT&T MobilityWirelessBoston
857-475OnvoyLandlineChelsea
857-477OnvoyLandlineJamaica Pl
857-488Verizon WirelessWirelessBoston
857-491Lightpath Of New EnglandLandlineBoston
857-492Omnipoint Miami E LicenseLandlineRoxbury
857-496ComcastLandlineSo Boston
857-497Omnipoint Miami E LicenseLandlineCharlestn
857-498AT&T MobilityWirelessBrighton
857-499AT&T MobilityWirelessQuincy
857-500Verizon WirelessWirelessCambridge
857-504Lumen/Level 3LandlineBoston
857-505Metro by T-MobileWirelessBoston
857-506Omnipoint Miami E LicenseLandlineRoxbury
857-507Verizon WirelessWirelessBoston
857-511Multiple Ocn ListingLandlineXxxxxxxxxx
857-520OnvoyLandlineHyde Park
857-523Verizon WirelessWirelessSomerville
857-524MCI/VerizonWirelessSo Boston
857-526Metro by T-MobileWirelessQuincy
857-529Verizon WirelessWirelessCambridge
857-540Omnipoint Miami E LicenseLandlineBrighton
857-544Omnipoint Miami E LicenseLandlineRoxbury
857-547Paetec ItelLandlineJamaica Pl
857-550CommioLandlineBelmont
857-554Verizon New EnglandLandlineXxxxxxxxxx
857-555Multiple Ocn ListingLandlineDir Asst
857-557Hd CarrierLandlineBoston
857-559MCI/VerizonWirelessBrighton
857-565Omnipoint Miami E LicenseLandlineBrookline
857-567OnvoyLandlineDorchester
857-574Paetec ItelLandlineEastboston
857-575OnvoyLandlineSomerville
857-576Bandwidth.comLandlineBrookline
857-577OnvoyLandlineCharlestn
857-578TwilioLandlineNewton
857-579Omnipoint Miami E LicenseLandlineBoston
857-587Hd CarrierLandlineDorchester
857-588MCI/VerizonWirelessCharlestn
857-597OnvoyLandlineWinthrop
857-598MCI/VerizonWirelessMilton
857-600Bandwidth.comLandlineCambridge
857-605Omnipoint Miami E LicenseLandlineBrighton
857-611Multiple Ocn ListingLandlineXxxxxxxxxx
857-615Metro by T-MobileWirelessBoston
857-617Landline
857-618Omnipoint Miami E LicenseLandlineBrighton
857-626MCI/VerizonWirelessBelmont
857-636Verizon WirelessWirelessNewton
857-639Ton80 CommunicationsLandlineCambridge
857-654Omnipoint Miami E LicenseLandlineBoston
857-656Omnipoint Miami E LicenseLandlineBoston
857-663OnvoyLandlineDorchester
857-666OnvoyLandlineBrookline
857-675OnvoyLandlineRoxbury
857-678OnvoyLandlineBelmont
857-688FractelLandlineDorchester
857-693Ton80 CommunicationsLandlineRoxbury
857-700Landline
857-701Omnipoint Miami E LicenseLandlineRoxbury
857-702NusoLandlineBoston
857-703Verizon WirelessWirelessHyde Park
857-706Lumen/Level 3LandlineCambridge
857-707Verizon WirelessWirelessBrookline
857-711Multiple Ocn ListingLandlineXxxxxxxxxx
857-719Metro by T-MobileWirelessJamaica Pl
857-728MCI/VerizonWirelessJamaica Pl
857-737Ton80 CommunicationsLandlineWatertown
857-746Ton80 CommunicationsLandlineBrookline
857-753Verizon WirelessWirelessBoston
857-754OnvoyLandlineQuincy
857-755FractelLandlineQuincy
857-756Metropolitan Telecommunications Of MassWirelessCambridge
857-757The Voice Application NetworkLandlineCambridge
857-758FractelLandlineBoston
857-760Bandwidth.comLandlineWatertown
857-762Metro by T-MobileWirelessBoston
857-763Omnipoint Miami E LicenseLandlineBoston
857-766FractelLandlineSo Boston
857-767Ton80 CommunicationsLandlineBoston
857-770Intrado CommunicationsLandlineBoston
857-772Verizon WirelessWirelessBoston
857-773Metro by T-MobileWirelessJamaica Pl
857-776Lumen/Level 3LandlineChelsea
857-777Peerless Network Of MassachusettsLandlineCambridge
857-788Skye TelecomLandlineBoston
857-799Hd CarrierLandlineCambridge
857-800OnvoyLandlineBoston
857-810OnvoyLandlineBoston
857-811Multiple Ocn ListingLandlineXxxxxxxxxx
857-814Verizon New EnglandLandlineXxxxxxxxxx
857-816MCI/VerizonWirelessWinthrop
857-822SpectrumLandlineSomerville
857-829Omnipoint Miami E LicenseLandlineCambridge
857-832Ton80 CommunicationsLandlineBrighton
857-833SpectrumLandlineWinthrop
857-837OnvoyLandlineCharlestn
857-847SpectrumLandlineDorchester
857-855OnvoyLandlineBoston
857-856OnvoyLandlineCambridge
857-857SpectrumLandlineNewton
857-858OnvoyLandlineNewton
857-867SpectrumLandlineBrookline
857-869Omnipoint Miami E LicenseLandlineBoston
857-877OnvoyLandlineBrighton
857-880Barr Tell UsaLandlineBoston
857-887SpectrumLandlineJamaica Pl
857-888Metro by T-MobileWirelessEverett
857-891Omnipoint Miami E LicenseLandlineBoston
857-895RclecLandlineBoston
857-900Verizon New EnglandLandlineXxxxxxxxxx
857-911Multiple Ocn ListingLandlineXxxxxxxxxx
857-919Omnipoint Miami E LicenseLandlineBrighton
857-920Verizon New EnglandLandlineCambridge
857-928Omnipoint Miami E LicenseLandlineCambridge
857-930RclecLandlineBoston
857-931Verizon New EnglandLandlineBoston
857-939Verizon WirelessWirelessQuincy
857-940Landline
857-944AT&T MobilityWirelessBoston
857-950Landline
857-957Wide VoiceLandlineBoston
857-958Landline
857-959Landline
857-961Omnipoint Miami E LicenseLandlineBrighton
857-971OnvoyLandlineCharlestn
857-972Lumen/Level 3LandlineBoston
857-976Landline
857-989AT&T MobilityWirelessNewton
857-990Evolve CellularWirelessBoston
857-991ComcastLandlineBoston
857-994Boost SubscribercoWirelessNewton
857-995OnvoyLandlineSomerville
857-996MCI/VerizonWirelessBoston
857-997Hd CarrierLandlineSomerville
857-998Verizon WirelessWirelessCambridge
857-999Peerless Network Of MassachusettsLandlineCambridge

All 9 area codes in Massachusetts

857339351413508617774781978

About Area Code 857

Back in 2001, Boston was buzzing with growth, and folks were snapping up phone lines left and right. That's when area code 857 came into play as an overlay for the existing 617 code, giving the region a fresh set of numbers to handle all that demand. Picture this: Boston, with its mix of historic neighborhoods and modern tech hubs, needed more lines to keep up with everyone from students cramming in Cambridge to families settling in Newton. This overlay meant you could keep your old number but now had to dial 10 digits for local calls, which was a bit of a hassle at first, but it opened up the lines for new businesses and residents flooding into places like Quincy and Somerville. Serving six cities in Massachusetts, 857 covers a slice of the state that's all about that East Coast energy, from Brookline's leafy streets to the heart of Boston's innovation scene. It's not just another code; it's a sign of how the area kept evolving, adapting to more people chasing dreams in this corner of New England. You'll find everything from startups in converted warehouses to tourists wandering the old Freedom Trail, all connected through these digits. And hey, if you're moving here, expect to hear that familiar 857 ring on your phone sooner than you think—it's woven into the daily rhythm of life around here.

⚠ Scam & Spam Alert for 857

If you're in the 857 area, you might get calls that sound official but are just scams trying to trick you. We've seen a lot of IRS scams where someone pretends to be from the government and demands payment for supposed back taxes right away. Then there's the auto warranty racket, with callers pushing extended coverage for your car that doesn't exist. Don't forget Medicare fraud, where scammers pose as health reps and ask for your personal info to 'update' records. It's straightforward stuff, but it can catch you off guard. One solid tip is to always hang up and call back the organization directly using a number you trust, like from their official website. That way, you sidestep the nonsense and keep your info safe.

Local Snapshot

Boston's metro area packs in over 4.8 million people, making it one of the denser spots on the East Coast. Education and healthcare drive the economy, with giants like Harvard and Mass General pulling in top talent from everywhere. The region is famous for its revolutionary roots, like the Boston Tea Party that kicked off a whole independence movement. And here's a quirky fact: Boston has more colleges per square mile than almost anywhere else, which means the streets are always buzzing with ideas and innovation spilling out of classrooms.

Frequently Asked Questions

Where is area code 857?
Area code 857 serves Boston and surrounding communities in Massachusetts, including Boston, Brookline, Cambridge, Newton, Quincy and 1 more. It is in the Eastern time zone.
What cities are in area code 857?
Area code 857 covers 6 cities in Massachusetts: Boston, Brookline, Cambridge, Newton, Quincy, Somerville
What time zone is 857?
Area code 857 is in the Eastern time zone (UTC-5).
When was area code 857 created?
Area code 857 was established in 2001 as an overlay to provide additional numbers for the region.
Is 857 a legitimate area code?
Yes, 857 is a valid, active area code assigned to Boston, Massachusetts. However, scammers can spoof any area code, so receiving a call from 857 doesn't guarantee the caller is actually in this area.

What major universities are served by the 857 area code?

The 857 area code serves Cambridge, which is home to Harvard University and MIT. These schools draw students from around the world and contribute to the area's academic focus. Many local events and research initiatives involve numbers from this code.

Why was the 857 area code added to the Boston region in 2001?

The 857 area code was introduced in 2001 as an overlay for the existing 617 code due to the rapid increase in phone numbers needed in Boston and nearby cities. This change helped accommodate growth from population and business expansion in the area. It ensured that residents and companies could get new lines without disrupting service.

What historical sites are located in the cities covered by the 857 area code?

The 857 area code includes Boston, where visitors can find the Freedom Trail and the site of the Boston Massacre. These landmarks highlight the city's role in the American Revolution and attract tourists who might use local numbers for inquiries. Brookline and other served cities also feature historic homes and parks tied to early American history.

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