Zip Area Code

Lawrence, Massachusetts

Lawrence, Massachusetts, in Essex County, has ZIP codes 01840, 01841, 01842 and 01843 and area code 978, with 351 as an overlay.

ZIP codes
01840, 01841, 01842, 01843
Area codes
978, 351
Time zone
Eastern Time
Coordinates
42.7044, -71.1636

ZIP codes in Lawrence

ZIP codePost officeCountyArea codes
01840LawrenceEssex County978, 351
01841LawrenceEssex County978, 351
01842*LawrenceEssex County978, 351
01843LawrenceEssex County978, 351

* No mapped delivery area: P.O. boxes or a single organization. Area codes are those of the nearest ZIP code area.

Area codes for Lawrence

  • Area code 978

    In service since September 1, 1997. Shares its area with 351. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 351

    In service since May 2, 2001. Shares its area with 978. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Lawrence is in the Eastern Time zone.

Towns near Lawrence