Area code 857 was first put in service May 02, 2001. Area code 857 is in USA (Massachusetts). 1-800-database has 691 records on file with a phone number in the area code of (857) and 63 comments.

The carriers providing phone numbers in 857 area code are: 365 Wireless, Allegiance Telecom, 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, Mcimetro Access Transmission Services LLC, Mci Worldcom Communications, Metro PCS, Metropolitan Telecommunications Of Mass DBA Mettel, 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..

Counties located in area code 857 are: MIDDLESEX, NORFOLK, SUFFOLK.

State: Massachusetts

Largest city: Boston

In service since: 05/02/2001

Timezone: Eastern

Major Cities in 857
Boston, MA (617,594)
Cambridge, MA (105,162)
Quincy, MA (92,271)
Newton, MA (85,146)
Somerville, MA (75,754)
Everett, MA (41,667)
Chelsea, MA (35,177)
Watertown, MA (31,915)
Zip Codes in 857
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