ZIP Code 52004 is located in Dubuque Iowa. 52004 is entirely within Dubuque County. Regionally, 52004 is located in the Cedar Rapids-Waterloo-Iowa City and Dubuque Area.
| ZIP Code Name | Dubuque |
| Primary County | Dubuque County |
| ZIP Code Type | PO Box |
| Current Time | CST |
| Coordinates | 42.49873352,-90.66801453 |
| Adjacent ZIP Codes | |
| Region | Cedar Rapids-Waterloo-Iowa City and Dubuque Area |
| Metropolitan/Micropolitan Stat Area | Dubuque, IA |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |