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- 857 is an area code located in the state of Massachusetts, US. The largest city it serves is Boston.
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857 Area Code. Area code 857 is assigned for use in Massachusetts since May 02, 2001. This area code originated from the 617 area code previously by means of area code split or overlay. View all phone prefixes used in area code 857 or other area codes in Massachusetts.
Area code 857 serves the state of Massachusetts. This area code was assigned on May 3rd, 2000. On May 2nd, 2001 it went into service. 857 is a General Purpose Code. 857 service area does overlap with 617 area codes.
NxxCityUsageCompany Name999CambridgeLandlinePeerless Network Of Massachusetts, Llc - ...998BostonWirelessCellco Partnership Dba Verizon Wireless - ...998CambridgeWirelessCellco Partnership Dba Verizon Wireless - ...997SomervilleLandlineLocal Access Llc - Ma3 days ago · 857 is an area code located in the state of Massachusetts, US. The largest city it serves is Boston. Location, time zone and map of the 857 area code
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Area codes 617 and 857 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Massachusetts, serving the city of Boston and several surrounding communities such as Brookline, Cambridge, Newton and Quincy.
The 857 Area Code is located in the state of Massachusetts. Area Code 857 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 3,429,868 unique phone numbers and 6,833,109 individuals near the cities of Boston, Brighton, and Brookline.
Browse area code 857 phone numbers, prefixes and exchanges. The 857 area code serves West Roxbury, Norton, Boston, Cambridge, Woburn, covering 15 ZIP codes in 4 counties.
Sep 1, 2024 · Area Code 857 is located in Massachusetts. It covers 34 cities, including Boston, Cambridge, Quincy, Newton, and Somerville. It also covers 3 counties, including Suffolk County, Middlesex County, Norfolk County. A full list of covered cities and counties is below including its prefix and population coverage.
