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Examples: 11235 or Boston MA or California

Area Code

857 Massachusetts (MA)

By Area Code By State All 200 300 400 500 600 700 800 900

Cities Covered by 857 Area Code

Belmont	Boston	Brighton	Brookline	Cambridge
Charlestown	Chelsea	Chestnut Hill	Dorchester	Everett
Hyde Park	Jamaica Plain	Malden	Needham	Newton
Newtonville	North Dighton	Quincy	Roxbury Crossing	Somerville
South Boston	Watertown	West Newton	Winthrop

Related Area Codes