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Area Code 857


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Area Code 857 is an overlay area -added to area code 617 in 2001. It covers region of Massachusetts; state of United States located in the New England region. EST (Eastern Time Zone) is the standard time zone for this area.

An overlay was added to 617 because the demands of telephone connections were increasing as a result of population growth. Overlays or area split is required when the combinations of phone number run out. Adding 3-digit code provides more combinations for telephone numbers.  

Ten digit local dialing is essential because two different places -existing and overlay area might have same seven digit phone number but with different area code.

More codes for Massachusetts divisions are:

  • Area Code 339 (created in 2001)
  • Area Code 351 (created in 2001)
  • Area Code 413 (created in 1947)
  • Area Code 508 (created in 1988)
  • Area Code 774 (created in 2001)
  • Area Code 978 (created in 1997).

The code 857 is serving following counties:


  • BRISTOL
  • MIDDLESEX
  • NORFOLK
  • SUFFOLK

Cities in code 857 are:

  • Allston
  • Auburndale
  • Belmont
  • Boston
  • Brighton
  • Brookline
  • Brookline Village
  • Cambridge
  • Charlestown
  • Chelsea
  • Chestnut Hill
  • Everett
  • Hyde Park
  • Jamaica Plain
  • Mattapan
  • Medford
  • Milton
  • Needham
  • Newton
  • Newton Centre
  • Newtonville
  • Nonantum
  • North Quincy
  • Quincy
  • Readville
  • Roslindale
  • Somerville
  • Waban
  • Wallaston
  • Waltham
  • Watertown
  • Waverley
  • West Newton
  • West Roxbury
  • Winthrop

ISPs and Telephone companies in area code 857:


Some of the ISPs offering dialup and dedicated services are:

  • A Silicon Networks
  • A WebRENO.NET
  • AT&T DSL Service
  • Bayarea Internet Solutions
  • Covad Communications
  • Creative Internet USA
  • Catholic Internet Services
  • Celito Communications

Main carriers and telephone companies are:

  • ALLEGIANCE TELECOM, INC. - CA
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
  • CENTURYTEL OF CENTRAL ARKANSAS, LLC
  • CENTURYTEL TEL OF ALABAMA, LLC (NORTHERN)
  • NEW CINGULAR WIRELESS PCS, LLC
  • NEW CINGULAR WIRELESS PCS, LLC - IL
  • NEXTEL COMMUNICATIONS, INC.
  • O1 COMMUNICATIONS, INC. - CA
  • PACIFIC BELL
  • QWEST CORPORATION
  • SHELCOMM
  • SPRINT SPECTRUM L.P.
  • U.S. TELEPACIFIC CORP. - CA
  • VERIZON CALIFORNIA INC.-AZ
  • VERIZON CALIFORNIA INC.-CA (GTE)
  • WINDSTREAM ALABAMA, INC.

Reverse Phone Check for area code 857:


You can find phone number of someone from phone directory if you know the name of person. However, reverse phone lookup scheme is completely different. You would have to use the cell phone number to hunt for the name of the owner of a cell phone number.

You can use reverse phone lookup for a couple of reasons. It is a service which lets you find details such as name, address of the owner of any particular phone number.

You can find out whose number is on your phone bill; you might receive your phone bill showing the numbers you even don't know. No need of playing guessing games anymore -just run the reverse phone lookup and find who was being called.

Browse reverse phone directory for area code 857 if the number you have to search starts with three digits code '857'. Just enter the ten digit phone number into the search box and click search button. Information about the number such as owner name, address, service type etc will be displayed.

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