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857 Area Code Information

State: MA

Largest City in Area: BOSTON

Where is Area Code 857? Area code (857) is in the state of MA. The PeopleSearchNow database has 129,982 records on file with a phone number in the area code of (857). Below, are the major cities in the area code (857).

Major Cities in 857

  • BOSTON, MA (63,369)
  • DORCHESTER, MA (19,103)
  • DORCHESTER CENTER, MA (11,617)
  • CAMBRIDGE, MA (10,751)
  • QUINCY, MA (9,955)
  • HYDE PARK, MA (9,931)
  • ROXBURY, MA (9,258)
  • SOMERVILLE, MA (8,775)
  • MATTAPAN, MA (7,405)
  • JAMAICA PLAIN, MA (7,108)

Zip Codes in 857

  • 02114
  • 02115
  • 02116
  • 02118
  • 02119
  • 02121
  • 02122
  • 02124
  • 02125
  • 02126
  • 02127
  • 02130
  • 02131
  • 02135
  • 02136
  • 02139
  • 02148
  • 02149
  • 02169
  • 02215