Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — AREA-CODES/MA

Massachusetts area codes

Massachusetts has 9 area codes covering 5 areas. In 4 of them several codes overlay the same ground, so a number there can have any of them: 508 and 774 around Worcester; 617 and 857 around Boston; 339 and 781 around Lynn; 351 and 978 around Lowell. The newest, 857, came into service in 2001.

Area codes
9
Areas
5
Overlay areas
4
Time zone
Eastern
Newest
857 (2001)

Somewhere in Massachusetts now? What area code am I in? answers from your location.

Every Massachusetts area code

Area codes in Massachusetts
CodeWhereOverlaysSince
339 Lynn, Malden, Waltham 781 2001
351 Lowell, Lawrence, Haverhill 978 2001
413 Springfield, Chicopee, Pittsfield none 1947
508 Worcester, Brockton, New Bedford 774 1988
617 Boston, Cambridge, Quincy 857 1947
774 Worcester, Brockton, New Bedford 508 2001
781 Lynn, Malden, Waltham 339 1997
857 Boston, Cambridge, Quincy 617 2001
978 Lowell, Lawrence, Haverhill 351 1997

Massachusetts area codes by area

Codes that overlay one another share one area. The places listed have a telephone rate centre of their own in NANPA's records, largest first; each links to its ZIP codes.

508, 774 — Worcester

508 (1988) was here first; 774 (2001) overlays it, so a number from anywhere in the area can have any of them.

85 places, the largest 36 here (all of them on 508):

9 counties:

617, 857 — Boston

617 (1947) was here first; 857 (2001) overlays it, so a number from anywhere in the area can have any of them.

23 places:

5 counties:

781, 339 — Lynn

781 (1997) was here first; 339 (2001) overlays it, so a number from anywhere in the area can have any of them.

40 places, the largest 36 here (all of them on 781):

5 counties:

978, 351 — Lowell

978 (1997) was here first; 351 (2001) overlays it, so a number from anywhere in the area can have any of them.

57 places, the largest 36 here (all of them on 978):

4 counties:

413 — Springfield

61 places, the largest 36 here (all of them on 413):

5 counties:

Area codes of the largest cities in Massachusetts

Largest cities in Massachusetts and their area codes
CityArea codesPopulation
Boston 617, 857 666,442
Worcester 508, 774 207,055
Springfield 413 154,749
Cambridge 617, 857 118,796
Lowell 978, 351 118,368
Brockton 508, 774 105,386
Quincy 617, 857 102,114
Lynn 781, 339 101,709
New Bedford 508, 774 100,998
Fall River 508, 774 94,082
Newton 617, 857 89,044
Lawrence 978, 508, 351 88,736
Dorchester 617, 857 86,181
Somerville 617, 857 81,036
Framingham 508, 774 72,399
Haverhill 978, 351 67,698
Malden 781, 617, 339 65,906
Waltham 781, 617, 339 64,902
Brookline 617, 857 63,266
Taunton 508, 774 60,433
Revere 781, 339 60,012
Medford 781, 339 59,354
Weymouth 781, 339 58,505
Dorchester Center † 617, 857 56,216
Chicopee 413 55,295
Peabody 978, 351 54,695
Methuen † 978, 508, 351 53,475
Everett 617, 857 50,045
Barnstable 774, 508 49,568
Attleboro 508, 774 46,762
Arlington 781, 339 46,350
Salem 978, 351 44,795
Leominster 978, 351 43,909
Pittsfield 413 43,457
Brighton 617, 857 43,149
Beverly 978, 508, 351 42,665
Woburn 781, 339 41,939
Fitchburg 978, 351 41,798
Westfield 413 40,378
Jamaica Plain † 617, 857 40,055

† NANPA lists no rate centre for the town itself; these are the codes of the nearest one. A town on an area-code boundary can differ from its neighbour.

Questions about Massachusetts area codes

How many area codes does Massachusetts have?

9: 339, 351, 413, 508, 617, 774, 781, 857 and 978. 8 of them are in overlay areas, where several codes share the same ground.

What is the newest area code in Massachusetts?

857, in service since 2001. It overlays 617.

What are the area codes of the largest cities in Massachusetts?

Boston: 617 and 857. Worcester: 508 and 774. Springfield: 413. Cambridge: 617 and 857. Lowell: 978 and 351.

What time zone are Massachusetts area codes in?

Eastern time.

Every US area code · Massachusetts ZIP codes

Source: NANPA NPA database and central office code assignments, 2026-10-10. Places are matched to NANPA's rate centres by name; see sources.

Cite this page

zipcodes.pro. “Massachusetts area codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/area-codes/ma

Underlying data is public domain or openly licensed — sources, vintages and licences.