Collinsville zipcode
| City | Collinsville |
| ZIP Code | 74021 |
| Type | Standard |
| State Code | OK |
| State | Oklahoma |
ZIP code of Collinsville is 74021. This place is located in Oklahoma state in US. To send any postal service to Collinsville, you must use 74021 zipcode.
You should avoid following 1 city name of Oklahoma to be used with the ZIP code 74021.
- Cville, OK