Find the last 4 digits (ZIP+4) for an address in 81639

ZIP 81639, Hayden, CO is filled in. Just type the street address.

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ZIP Code 81639 – Hayden, CO

Hayden, Colorado · Routt County · Mountain time

ZIP code81639
CityHayden
StateColorado
CountyRoutt County
Population2,618
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area464.42 sq mi
Center (lat, long)40.5650, -107.2467

Area codes in this area

970

These are the area codes that most often serve ZIP 81639 (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

81626 Craig · 16.1 mi80487 Steamboat Springs · 18.9 mi80488 Steamboat Springs · 20.6 mi80477 Steamboat Springs · 22.4 mi81653 Slater · 22.8 mi80428 Clark · 25.6 mi81625 Craig · 27.4 mi81638 Hamilton · 27.6 mi

About ZIP 81639

ZIP code 81639 is assigned to Hayden, Colorado. It lies in Routt County. Its Census area covers about 464.42 square miles of land. The closest neighboring ZIP is 81626 (Craig), about 16.1 miles away.

Every address in 81639 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