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Middlesex County Area Codes

About Middlesex County Area Codes

The county of Middlesex County, located in Massachusetts, is served by 8 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Middlesex County include 339, 351, 508, 617, 774, 781, 857, 978. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in Middlesex County include Arlington, Belmont, Burlington, Cambridge, Chelmsford, Everett, Framingham, Lexington, Lowell, Malden, Marlborough, Medford, Melrose, Newton, Reading, Somerville, Stoneham, Wakefield, Waltham, Watertown, Wilmington, Winchester, Woburn.

List of Area Codes in Middlesex County, Massachusetts

The table below lists all telephone area codes used in Middlesex County, Massachusetts, along with their associated cities and time zones from this dataset.


S.N. Area Code Cities Time Zone(s)
1 339 Arlington, Burlington, Lexington, Malden, Medford, Melrose, Reading, Stoneham, Wakefield, Waltham, Winchester, Woburn America/New_York
2 351 Chelmsford, Lowell, Wilmington America/New_York
3 508 Framingham, Marlborough America/New_York
4 617 Belmont, Cambridge, Everett, Newton, Somerville, Watertown America/New_York
5 774 Framingham, Marlborough America/New_York
6 781 Arlington, Burlington, Lexington, Malden, Medford, Melrose, Reading, Stoneham, Wakefield, Waltham, Winchester, Woburn America/New_York
7 857 Belmont, Cambridge, Everett, Newton, Somerville, Watertown America/New_York
8 978 Chelmsford, Lowell, Wilmington America/New_York


Related Area Code Pages

Explore related area code resources on Burning Compass:

  • All area codes in Massachusetts
  • Individual area code details are available from the table above.

County Area Codes in Massachusetts

  1. Barnstable County Area Codes
  2. Berkshire County Area Codes
  3. Bristol County Area Codes
  4. Essex County Area Codes
  5. Hampden County Area Codes
  6. Hampshire County Area Codes
  7. Middlesex County Area Codes
  8. Norfolk County Area Codes
  9. Plymouth County Area Codes
  10. Suffolk County Area Codes
  11. Worcester County Area Codes

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