ZIP code · Fairfax · Oklahoma · United States
ZIP code 74637 — Fairfax
ZIP code 74637 serves Fairfax, Oklahoma.
- Postal code
- 74637Single source Value from one source, not cross-checked.
- City
- Fairfax
- County
- Osage
- State
- Oklahoma
- Country
- United States
- Coordinates
- 36.5577, -96.6997 — precision precise (locality)
View on OpenStreetMap - Population
- 1,501 (ZCTA, ACS 5-year)
- Median household income
- $55,208
- Median age
- 50.8
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page