Zip Area Code

Plymouth, Michigan

Plymouth, Michigan, in Wayne County, has ZIP code 48170 and area code 734, with 679 as an overlay.

ZIP code
48170
Area codes
734, 679
Time zone
Eastern Time
Coordinates
42.3688, -83.4799

ZIP codes in Plymouth

ZIP codePost officeCountyArea codes
48170PlymouthWayne County734, 679

Area codes for Plymouth

  • Area code 734

    In service since December 13, 1997. Shares its area with 679. Local calls are dialed with seven digits; dialing ten digits also works.

  • Area code 679

    In service since November 7, 2025. Shares its area with 313. 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

Plymouth is in the Eastern Time zone.

Towns near Plymouth