NPA - 857 Massachusetts (MA)

The 857 Area Code is located in the state of Massachusetts. Area Code 857 is one of the 312 three-digit telephone area codes in the USA. It covers roughly 114,584 unique phone numbers near the cities of Boston-Cambridge-Newton.

NPA - 857 History: Area code 857 was put into service. Area code 857 is an overlay of area code 617.

There are a few special area codes with the last two digits 422 match, these are known as easily recognizable codes (ERCs). The 8xx set of numbers are reserved for toll-free services and communication.

Those numbers can be found in the following cities or locations: Massachusetts (MA).

1. AreaCodes Directory
2. 857

857 Stats:

Cities in area code 857:

Bedford, Belmont, Boston, Brighton, Brookline, Cambridge, Charlestown, Chelsea, Dorchester, East Boston, Everett, Hyde Park, Jamaica Plain, Malden, Needham, Newton, Quincy, Roxbury, S Boston, Somerville, Watertown, Winthrop.

Related phone operators in Area Code 857:

365 Wireless, Allegiance Telecom, Bandwidth.com Clec, Broadview Networks, Broadvox-clec, Broadwing Communications, Cbeyond Communications, Cellco Partnership DBA Verizon Wireless, Centurylink Communications LLC, Comcast Phone Of Massachusetts, Ctc Communications Corp., Dsci Corporation, Level 3 Communications, Level 3 Enhanced Services, Local Access LLC, Mci Worldcom Communications, Mcimetro Access Transmission Services LLC, Metro PCS, Metropolitan Telecommunications Of Mass DBA M, Multiple Ocn Listing, Neutral Tandem-massachusetts, New Cingular Wireless PCS - DC, Omnipoint Miami E License, Paetec Communications, Peerless Network Of Massachusetts, Rclec, Sprint Spectrum L.p., Teleport Communications America, Verizon New England Inc., Vonage Network Inc., Xo Massachusetts, Ymax Communications Corp..