Zip Area Code

Hayden, Colorado

Hayden, Colorado, in Routt County, has ZIP code 81639 and area code 970, with 748 as an overlay.

ZIP code
81639
Area codes
970, 748
Time zone
Mountain Time
Coordinates
40.4945, -107.2571

ZIP codes in Hayden

ZIP codePost officeCountyArea codes
81639HaydenRoutt County970, 748

Area codes for Hayden

  • Area code 970

    In service since April 2, 1995. Shares its area with 748. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 748

    In service since July 7, 2025. Shares its area with 970. 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

Hayden is in the Mountain Time zone.

Towns near Hayden