Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/CO/OHIO-CITY

Ohio City ZIP code, Colorado

The ZIP code for Ohio City, CO is 81237, and its area code is 970.

USPS city name
1 ZIP code
Population
169
Area code
970

NANPA lists no telephone rate centre for Ohio City itself, so these are the area codes of the nearest one, Gunnison (17.1 miles). A town on an area-code boundary can differ from its neighbour.

ZIP codes addressed as Ohio City

ZIP codes with the USPS city name Ohio City
ZIP City Type Population Median income Median home
81237 Ohio City , CO Standard 169 $134,038 $583,300

Map of Ohio City ZIP codes

The ZIP codes of Ohio City, CO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Ohio City

The nearest larger towns are Gunnison (6,766 people, 17 mi), Maysville (235 people, 23 mi) and Crested Butte (1,229 people, 26 mi).

Towns near Ohio City
TownPopulationDistance
Gunnison 6,766 17.1 mi
Buena Vista 3,010 30.0 mi

More nearby: every ZIP code in Gunnison County · Colorado ZIP codes

Cite this page

zipcodes.pro. “Ohio City, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/ohio-city

Underlying data is public domain or openly licensed — sources, vintages and licences.