North Washington ZIP code, Iowa
The ZIP code for North Washington, IA is 50661, and its area code is 641.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 134
- Area code
- 641
- County
- Chickasaw County
- State
- Iowa
NANPA lists no telephone rate centre for North Washington itself, so these are the area codes of the nearest one, New Hampton (4.6 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to North Washington 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 North Washington
| ZIP | City | Type |
|---|---|---|
50661 | North Washington , IA | No street area |
Other ZIP codes overlapping North Washington
These ZIP codes cover part of North Washington but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
50659 | New Hampton , IA | Standard | 5,688 | $78,153 | $206,900 |
Towns near North Washington
The nearest larger towns are Alta Vista (194 people, 5.5 mi), Ionia (336 people, 6.0 mi) and New Hampton (3,453 people, 6.6 mi).
| Town | Population | Distance |
|---|---|---|
| New Hampton | 3,453 | 6.6 mi |
| Charles City | 7,232 | 13.6 mi |
| Osage | 3,561 | 23.0 mi |
| Cresco | 3,908 | 23.1 mi |
| Waverly | 10,494 | 27.4 mi |
More nearby: every ZIP code in Chickasaw County · Iowa ZIP codes
Cite this page
zipcodes.pro. “North Washington, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/north-washington
Underlying data is public domain or openly licensed — sources, vintages and licences.