Zip Codes in Duncan, OK
| Zip Code | Post Office City | County | State | Show Map | Show Statistics |
|---|---|---|---|---|---|
| 73533 | Duncan | Stephens | Oklahoma | Show Map | Show Statistics |
| 73534 | Duncan | Stephens | Oklahoma | Show Map | Show Statistics |
| 73536 | Duncan | Stephens | Oklahoma | Show Map | Show Statistics |