ZIP code · Newcastle · Oklahoma · United States
ZIP code 73065 — Newcastle
ZIP code 73065 serves Newcastle, Oklahoma.
- Postal code
- 73065Single source Value from one source, not cross-checked.
- City
- Newcastle
- County
- McClain
- State
- Oklahoma
- Country
- United States
- Coordinates
- 35.2453, -97.6216 — precision precise (locality)
View on OpenStreetMap - Population
- 11,136 (ZCTA, ACS 5-year)
- Median household income
- $93,451
- Median age
- 39.7
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page