ZIP code · Duncan · Oklahoma · United States
ZIP code 73534 — Duncan
ZIP code 73534 serves Duncan, Oklahoma.
- Postal code
- 73534Single source Value from one source, not cross-checked.
- City
- Duncan
- County
- Stephens
- State
- Oklahoma
- Country
- United States
- Coordinates
- 34.5189, -97.9733 — precision precise (locality)
View on OpenStreetMap - Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 580Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
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. Data generated on 2026-08-21. Methodology · Report an error on this page