Dubuque zipcode
| City | Dubuque |
| ZIP Code | 52099 |
| Type | Company/Organization |
| State Code | IA |
| State | Iowa |
ZIP code of Dubuque is 52099. This place is located in Iowa state in US. To send any postal service to Dubuque, you must use 52099 zipcode.
You should avoid following 1 city name of Iowa to be used with the ZIP code 52099.
- Mcgraw Hill Companies, IA