Massachusetts Area Codes
| State: | Massachusetts (MA) |
| Area Codes: | 9 |
| Timezone: | Eastern (EDT) |
| Current Time: | 2:10 AM |
About Massachusetts Area Codes
Massachusetts (MA) uses 9 telephone area codes to serve its residents and businesses. With an estimated population of 9,103,538, Massachusetts is one of the moderately coded states in the North American Numbering Plan (NANP). The state is primarily in the Eastern Time Zone (EDT). The current local time in Massachusetts is 2:10 AM.
The largest cities in Massachusetts include Boston (pop. 4,688,346), Springfield (pop. 623,401), Worcester (pop. 498,328), Barnstable (pop. 242,847) and New Bedford (pop. 149,910) . Massachusetts has 14 counties spread across its territory. Each area code in MA covers a geographic region of the state, with some areas using overlay codes that share the same geographic territory as an existing area code.
When calling a Massachusetts phone number from outside the area code, you must dial the full 10-digit number: the 3-digit area code followed by the 7-digit local number. Many parts of Massachusetts now require 10-digit dialing even for local calls due to overlay area codes and the nationwide 988 Suicide & Crisis Lifeline implementation.
All Massachusetts Area Codes
The table below lists every active area code in Massachusetts, along with the major city served and other cities covered by each code.
| Area Code | Major City | Other Cities |
|---|---|---|
| 339 | Boston | Worcester, Cambridge, Brockton, Newton, Somerville, Waltham, Charlestown, Norton and more |
| 351 | Boston | Cambridge, Newton, Somerville, Lawrence, Framingham, Norton, Ashland |
| 413 | Springfield | Pittsfield, Chicopee, Westfield, Holyoke, Amherst, Agawam, Northampton, Greenfield and more |
| 508 | Boston | Springfield, Worcester, Barnstable, New Bedford, Cambridge, Brockton, Fall River, Newton and more |
| 617 | Boston | Worcester, Cambridge, Quincy, Newton, Somerville, Framingham, Malden, Chelsea and more |
| 774 | Boston | Worcester, New Bedford, Cambridge, Brockton, Newton, Somerville, Framingham, Taunton and more |
| 781 | Boston | Worcester, Cambridge, Brockton, Lynn, Newton, Somerville, Lawrence, Framingham and more |
| 857 | Boston | Cambridge, Newton, Somerville, Waltham, Chelsea, Charlestown, Norton, Brookline and more |
| 978 | Boston | Worcester, Leominster, Cambridge, Lowell, Lynn, Newton, Somerville, Lawrence and more |
Largest Cities in Massachusetts
These are the largest cities in Massachusetts by population, along with their primary area codes and counties.
| City | Population | County |
|---|---|---|
| Boston | 4,688,346 | Suffolk County |
| Springfield | 623,401 | Hampden County |
| Worcester | 498,328 | Worcester County |
| Barnstable | 242,847 | Barnstable County |
| New Bedford | 149,910 | Bristol County |
| Leominster | 119,690 | Worcester County |
| Cambridge | 118,927 | Middlesex County |
| Lowell | 110,997 | Middlesex County |
| Brockton | 95,708 | Plymouth County |
| Quincy | 94,470 | Norfolk County |
Frequently Asked Questions
Massachusetts is primarily in the Eastern Time Zone (EDT).
The current local time is 2:10 AM.
The area code covering the most cities in Massachusetts is 508, which serves Boston and 99+ other communities.
Yes, most areas in Massachusetts now require 10-digit dialing (area code + 7-digit number) for all local calls. This requirement was implemented across the United States starting in October 2021 to support the 988 Suicide & Crisis Lifeline. Even if you are calling within the same area code, you need to dial all 10 digits.
To call a Massachusetts number from within the United States, dial the area code followed by the 7-digit phone number (e.g., 339-XXX-XXXX). From outside the US, dial your country's exit code, then 1 (the US country code), then the full 10-digit number.
Massachusetts has 14 counties.
The state's total estimated population is 9,103,538, spread across these counties and served by 9 area codes.
Boston is served by area code
339.
Massachusetts has 9 area codes in total — see the complete list above.
