Zip Area Code

Silverthorne, Colorado

Silverthorne, Colorado, in Summit County, has ZIP codes 80497 and 80498 and area code 970, with 748 as an overlay.

ZIP codes
80497, 80498
Area codes
970, 748
Time zone
Mountain Time
Coordinates
39.7029, -106.1646

ZIP codes in Silverthorne

ZIP codePost officeCountyArea codes
80497*SilverthorneSummit County970, 748
80498SilverthorneSummit County970, 748

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

Area codes for Silverthorne

  • 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

Silverthorne is in the Mountain Time zone.

Towns near Silverthorne