Rockdale zip code
Zip code in Rockdale, IA
The location Rockdale belongs to Dubuque County, state of Iowa. Rockdale has been assigned with the zip code 52001.
The location name Rockdale is listed as unacceptable by the US Postal Service so any mailing should avoid it. Instead you can use Dubuque, the official name of the location.
| Zip code | Type | Population |
|---|---|---|
| 52001 | STANDARD | 34,370 |
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