Area code 857 covers part of Massachusettsstate, covering most of Suffolk, Norfolk, Middlesex counties. It was started on May 02, 2001. This region follows US/Eastern + Daylight Savings timezone. Other popular area codes that belong to Massachusetts state include 339, 351, 413, 508, 617, 774, 781, 978.
Date Changed | Change Details |
Jun 10, 2014 | Area code 617 subscribers are now overlayed with area code 857. Subscriber area code 857-523 was assigned on Dec 05, 2012 and is operational from Jun 10, 2014. |
Mar 22, 2014 | Area code 617 subscribers are now overlayed with area code 857. Subscriber area code 857-576 was assigned on Mar 20, 2001 and is operational from Mar 22, 2014. |
Mar 11, 2014 | Area code 617 subscribers are now overlayed with area code 857. Subscriber area code 857-540 is operational from Mar 11, 2014. |
Mar 03, 2014 | Area code 617 subscribers are now overlayed with area code 857. Subscriber area code 857-500 was assigned on Feb 17, 2011 and is operational from Mar 03, 2014. |
Feb 03, 2014 | Area code 617 subscribers are now overlayed with area code 857. Subscriber area code 857-524 was assigned on Jan 17, 2002 and is operational from Feb 03, 2014. |
Area Code | City | County | Population | Network Operator |
857-500-6 | Boston | Middlesex | 150,308 | XO Massachusetts Inc |
857-500-9 | Norton | Middlesex | 150,308 | Omnipoint Miami E License LLC |
857-500-0 | Roslindale | Middlesex | 150,308 | Cellco Partnership dba Verizon Wireless - MA |
857-500-8 | Somerville | Middlesex | 150,308 | Local Access LLC - MA |
857-500-1 | Woburn | Middlesex | 150,308 | Sprint Spectrum LP |
857-511 | 466,513 | Travel Information Services | ||
857-523-6 | Cambridge | Middlesex | 150,308 | New Cingular Wireless PCS LLC - DC |
857-523-0 | Roslindale | Middlesex | 150,308 | Cellco Partnership dba Verizon Wireless - MA |
857-524-0 | Boston | Suffolk | 722,023 | Allegiance Telecom of Massachusetts Inc |
857-524-1 | Cambridge | Suffolk | 722,023 | CTC Communications Corporation - MA |
857-524-4 | Somerville | Suffolk | 722,023 | Peerless Network of Massachusetts LLC - MA |
857-526 | Woburn | Norfolk | 670,850 | Sprint Spectrum LP |
857-540-0 | Woburn | Suffolk | 722,023 | Sprint Spectrum LP |
857-544-0 | Norton | Suffolk | 722,023 | Omnipoint Miami E License LLC |
857-547-8 | Boston | Suffolk | 722,023 | Bandwidth.com CLEC LLC - MA |
857-547-9 | Cambridge | Suffolk | 722,023 | YMax Communications Corporation - MA |
857-547-0 | Charlestown | Suffolk | 722,023 | Broadview Networks Inc - MA |
857-547-7 | Somerville | Suffolk | 722,023 | Local Access LLC - MA |
857-554 | 84,556 | Verizon New England Inc | ||
857-555 | 695,557 | DIRECTORY ASSISTANCE | ||
857-559-0 | Boston | Suffolk | 722,023 | Allegiance Telecom of Massachusetts Inc |
857-559-1 | Boston | Suffolk | 722,023 | Cbeyond Communications LLC - MA |
857-559-2 | Cambridge | Suffolk | 722,023 | CTC Communications Corporation - MA |
857-559-3 | Norton | Suffolk | 722,023 | Omnipoint Miami E License LLC |
857-574-9 | Boston | Suffolk | 722,023 | Bandwidth.com CLEC LLC - MA |
857-574-1 | Boston | Suffolk | 722,023 | Cbeyond Communications LLC - MA |
857-574-3 | Boston | Suffolk | 722,023 | Teleport Communications America LLC - MA |
857-574-7 | Cambridge | Suffolk | 722,023 | AT&T Local |
857-574-0 | Cambridge | Suffolk | 722,023 | CTC Communications Corporation - MA |
857-574-6 | Cambridge | Suffolk | 722,023 | YMax Communications Corporation - MA |
857-576-4 | Boston | Norfolk | 670,850 | Bandwidth.com CLEC LLC - MA |
857-576-9 | Norton | Norfolk | 670,850 | Omnipoint Miami E License LLC |
857-576-0 | Somerville | Norfolk | 670,850 | Local Access LLC - MA |
857-588-0 | Boston | Suffolk | 722,023 | Allegiance Telecom of Massachusetts Inc |
857-588-1 | Boston | Suffolk | 722,023 | Cbeyond Communications LLC - MA |
857-588-4 | Norton | Suffolk | 722,023 | Omnipoint Miami E License LLC |
857-598-8 | Boston | Norfolk | 670,850 | Cbeyond Communications LLC - MA |
857-598-9 | Cambridge | Norfolk | 670,850 | Level 3 Communications LLC - MA |
857-598-0 | Cambridge | Norfolk | 670,850 | XO Massachusetts Inc |
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