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The 857 area code is located in the state of Massachusetts . 857 is one of the 357 three-digit telephone area codes in the USA. It covers roughly 135,016 unique phone numbers and 6,981,974 individuals near the cities of Boston, Belmont, Brookline in our database.
Since 2001, the 857 area code was overlaid onto 617, which means they now share the same calling area. Located in the Eastern time zone, it's the main area code for Boston's downtown area and neighboring communities. The 617 prefix was first put into service in 1947. Aside from Metropolitan Boston, the area code 617 and 857 also includes the ...
May 2, 2001 · Profile and Interactive Map for Area Code 857 in Massachusetts - May 2024. ... Regional Market Area: Metro Boston: Population (2020) 797936: Adjacent Area Codes ...
617 Area Code. There are two important numbers used to represent the City of Boston. Both the 617 and 857 area codes serve Suffolk County, Middlesex County, Norfolk County and the cities of Boston, Cambridge, Quincy, Newton, Somerville and more. The code 617 is one of the original 86 area codes created by AT&T and the Bell System in 1947.
857 area code is a telephone number prefix that serves the northern parts of Massachusetts, US. 857 area code was created as an overlay to the 617 original area code that serves Boston metropolitan area including Boston as the largest city.
