City of Cambridge


857 Area code: Cambridge, Middlesex - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 8578161400 | +1 857-816-1400 Massachusetts U.S.A.
  • 8578161401 | +1 857-816-1401 Massachusetts U.S.A.
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  • 8578161478 | +1 857-816-1478 Massachusetts U.S.A.
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  • 8578161494 | +1 857-816-1494 Massachusetts U.S.A.
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  • 8578161497 | +1 857-816-1497 Massachusetts U.S.A.
  • 8578161498 | +1 857-816-1498 Massachusetts U.S.A.
  • 8578161499 | +1 857-816-1499 Massachusetts U.S.A.