State Directory

Massachusetts Area Codes

9 area codes • 1 time zone • 8+ cities

Active Codes
9
Time Zones
1

All Massachusetts Area Codes

9 total
339
Boston
Eastern Time (ET)
Est. 2001
351
Lowell, Lawrence
Eastern Time (ET)
Est. 2001
413
Springfield
Eastern Time (ET)
Est. 1947
508
Worcester, Cape Cod
Eastern Time (ET)
Est. 1988
617
Boston
Eastern Time (ET)
Est. 1947
774
Worcester
Eastern Time (ET)
Est. 2001
781
Waltham, Lynn
Eastern Time (ET)
Est. 1997
857
Boston
Eastern Time (ET)
Est. 2001
978
Lowell, Lawrence
Eastern Time (ET)
Est. 1997

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Codes by Time Zone

Eastern Time (ET)

9 codes
339351413508617774781857978

About Massachusetts Area Codes

Massachusetts is served by 9 area codes, covering various cities and regions throughout the state. Each area code has its own service area and may overlap with other codes in some locations.

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Quick Facts

  • 9 active area codes in Massachusetts
  • Operates across 1 time zone
  • Oldest code established in 1947