Rock Falls ZIP code, Iowa
The ZIP code for Rock Falls, IA is 50467, and its area code is 641.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 119
- Area code
- 641
- County
- Cerro Gordo County
- State
- Iowa
NANPA lists no telephone rate centre for Rock Falls itself, so these are the area codes of the nearest one, Plymouth (3.0 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to Rock Falls uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
ZIP codes addressed as Rock Falls
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
50467 | Rock Falls , IA | Standard | 63 | $63,750 | $150,000 |
Other ZIP codes overlapping Rock Falls
These ZIP codes cover part of Rock Falls but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
50401 | Mason City , IA | Standard | 28,703 | $66,072 | $146,500 |
Map of Rock Falls ZIP codes
The ZIP codes of Rock Falls, IA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Rock Falls
The nearest larger towns are Plymouth (407 people, 3.3 mi), Nora Springs (1,363 people, 5.9 mi) and Mason City (27,050 people, 7.0 mi).
| Town | Population | Distance |
|---|---|---|
| Mason City | 27,050 | 7.0 mi |
| Osage | 3,561 | 14.8 mi |
| Clear Lake | 7,607 | 15.3 mi |
| Charles City | 7,232 | 23.0 mi |
| Garner | 3,049 | 27.1 mi |
| Forest City | 4,290 | 27.9 mi |
More nearby: every ZIP code in Cerro Gordo County · Iowa ZIP codes
Cite this page
zipcodes.pro. “Rock Falls, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/rock-falls
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