Zip Area Code

Sierra Ridge, Colorado

No ZIP code carries the name of Sierra Ridge, Colorado, in Douglas County; the nearest ZIP codes are 80112, 80124 and 80134, in area code 303, with overlays 720 and 983.

Nearest ZIP
80112, 80124, 80134
Area codes
303, 720, 983
Time zone
Mountain Time
Coordinates
39.5286, -104.8172

Nearest ZIP codes to Sierra Ridge

These are the ZIP codes nearest to Sierra Ridge, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
80112EnglewoodArapahoe County303, 720, 983
80124Lone TreeDouglas County303, 720, 983
80134ParkerDouglas County303, 720, 983

Area codes for Sierra Ridge

  • Area code 303

    In service since 1947. Shares its area with 720 and 983. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 720

    In service since June 1, 1998. Shares its area with 303 and 983. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 983

    In service since June 17, 2022. Shares its area with 303 and 720. 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

Sierra Ridge is in the Mountain Time zone.

Towns near Sierra Ridge