Zip Area Code

North Reading, Massachusetts

North Reading, Massachusetts, in Middlesex County, has ZIP codes 01825, 01864 and 01889 and area code 978, with 351 as an overlay.

ZIP codes
01825, 01864, 01889
Area codes
978, 351
Time zone
Eastern Time
Coordinates
42.5762, -71.0943

ZIP codes in North Reading

ZIP codePost officeCountyArea codes
01825*North ReadingMiddlesex County978, 351
01864North ReadingMiddlesex County978, 351
01889*North ReadingMiddlesex 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 North Reading

  • 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

North Reading is in the Eastern Time zone.

Towns near North Reading