ZIP CodesZIP codes in McClain County, Oklahoma
McClain County, Oklahoma has 7 ZIP codes in this list, from 73010 to 74831. They cover 7 places, among them Blanchard, Dibble, Newcastle and Purcell.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 73010 | Blanchard | 174 | 35.119, -97.640 |
| 73031 | Dibble | 0.1 | 35.009, -97.632 |
| 73065 | Newcastle | 51.8 | 35.245, -97.622 |
| 73080 | Purcell | 100 | 35.010, -97.425 |
| 73093 | Washington | 58.1 | 35.132, -97.487 |
| 73095 | Wayne | 77.0 | 34.915, -97.329 |
| 74831 | Byars | 69.7 | 34.890, -97.100 |
The ZIP code areas of McClain County add up to about 531 square miles of land (1,376 sq km) as the Census Bureau draws them. The largest is 73010 (Blanchard), with 174 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Blanchard, OK 73010.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.