ZIP CodesZIP codes in Marion County, Iowa
Marion County, Iowa has 12 ZIP codes in this list, from 50044 to 50256. They cover 11 places, among them Melcher Dallas, Bussey, Columbia and Hamilton.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 50044 | Bussey | 47.9 | 41.209, -92.896 |
| 50057 | Columbia | 18.6 | 41.184, -93.158 |
| 50062 | Melcher Dallas | 30.6 | 41.225, -93.241 |
| 50116 | Hamilton | 16.2 | 41.190, -92.959 |
| 50119 | Harvey | 16.0 | 41.303, -92.932 |
| 50138 | Knoxville | 168 | 41.316, -93.095 |
| 50163 | Melcher Dallas | 0.5 | 41.225, -93.241 |
| 50214 | Otley | 38.7 | 41.452, -93.035 |
| 50219 | Pella | 115 | 41.408, -92.917 |
| 50225 | Pleasantville | 85.8 | 41.374, -93.271 |
| 50252 | Swan | 14.3 | 41.464, -93.301 |
| 50256 | Tracy | 27.8 | 41.276, -92.875 |
The ZIP code areas of Marion County add up to about 580 square miles of land (1,502 sq km) as the Census Bureau draws them. The largest is 50138 (Knoxville), with 168 square miles.
Places with more than one code here: Melcher Dallas (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Bussey, IA 50044.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.