Zip Area Code

Merrimac, Massachusetts

Merrimac, Massachusetts, in Essex County, has ZIP code 01860 and area code 978, with 351 as an overlay.

ZIP code
01860
Area codes
978, 351
Time zone
Eastern Time
Coordinates
42.8346, -71.0047

ZIP codes in Merrimac

ZIP codePost officeCountyArea codes
01860MerrimacEssex County978, 351

Area codes for Merrimac

  • 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

Merrimac is in the Eastern Time zone.

Towns near Merrimac