Find the last 4 digits (ZIP+4) for an address in 81237

ZIP 81237, Ohio City, CO is filled in. Just type the street address.

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ZIP Code 81237 – Ohio City, CO

Ohio City, Colorado · Gunnison County · Mountain time

ZIP code81237
CityOhio City
StateColorado
CountyGunnison County
Population169
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area53.88 sq mi
Center (lat, long)38.6163, -106.6213

Area codes in this area

970

These are the area codes that most often serve ZIP 81237 (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

81239 Parlin · 5.5 mi81241 Pitkin · 7.2 mi81210 Almont · 13.6 mi81248 Sargents · 15.1 mi81231 Gunnison · 17.1 mi81227 Monarch · 18.4 mi81236 Nathrop · 19.7 mi81230 Gunnison · 23.5 mi

About ZIP 81237

ZIP code 81237 is assigned to Ohio City, Colorado. It lies in Gunnison County. Its Census area covers about 53.88 square miles of land. The closest neighboring ZIP is 81239 (Parlin), about 5.5 miles away.

Every address in 81237 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