Find the last 4 digits (ZIP+4) for an address in 80428

ZIP 80428, Clark, CO is filled in. Just type the street address.

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ZIP Code 80428 – Clark, CO

Clark, Colorado · Routt County · Mountain time

ZIP code80428
CityClark
StateColorado
CountyRoutt County
Population720
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area204.01 sq mi
Center (lat, long)40.8437, -106.9252

Area codes in this area

970

These are the area codes that most often serve ZIP 80428 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

80488 Steamboat Springs · 15.8 mi81653 Slater · 16.9 mi80487 Steamboat Springs · 18.2 mi82325 Encampment · 22.5 mi82332 Savery · 24.8 mi80477 Steamboat Springs · 25.2 mi81639 Hayden · 25.5 mi80480 Walden · 32.7 mi

About ZIP 80428

ZIP code 80428 is assigned to Clark, Colorado. It lies in Routt County. Its Census area covers about 204.01 square miles of land. The closest neighboring ZIP is 80488 (Steamboat Springs), about 15.8 miles away.

Every address in 80428 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources