Rock Falls Iowa is covered by a total of 1 ZIP Codes. There are also 2 ZIP Codes that overlap Rock Falls but have a different postal city name. The ZIP Codes in Rock Falls range from 50401 to 50467. Of the ZIP codes within or partially within Rock Falls there are 1 Standard ZIP Codes. The total population of ZIP Codes in Rock Falls is 103.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Rock Falls and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Mason City | Standard | |||
| Nora Springs | Standard | |||
| Rock Falls | Standard |