Calvin zipcode
| City | Calvin |
| ZIP Code | 74531 |
| Type | Standard |
| State Code | OK |
| State | Oklahoma |
ZIP code of Calvin is 74531. This place is located in Oklahoma state in US. To send any postal service to Calvin, you must use 74531 zipcode.
The ZIP code 74531 is also used with 1 more city name of Oklahoma.
- Gerty, OK