ZIP CodesZIP codes in Jasper County, Iowa
Jasper County, Iowa has 12 ZIP codes in this list, from 50028 to 50251. They cover 12 places, among them Baxter, Colfax, Ira and Kellogg.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 50028 | Baxter | 45.3 | 41.820, -93.158 |
| 50054 | Colfax | 61.0 | 41.679, -93.259 |
| 50127 | Ira | 0.6 | 41.777, -93.206 |
| 50135 | Kellogg | 73.0 | 41.718, -92.911 |
| 50137 | Killduff | 2.1 | 41.608, -92.905 |
| 50153 | Lynnville | 33.4 | 41.570, -92.788 |
| 50168 | Mingo | 38.4 | 41.790, -93.288 |
| 50170 | Monroe | 83.2 | 41.522, -93.102 |
| 50208 | Newton | 159 | 41.699, -93.046 |
| 50228 | Prairie City | 69.3 | 41.585, -93.241 |
| 50232 | Reasnor | 34.3 | 41.580, -93.020 |
| 50251 | Sully | 43.7 | 41.574, -92.845 |
The ZIP code areas of Jasper County add up to about 643 square miles of land (1,664 sq km) as the Census Bureau draws them. The largest is 50208 (Newton), with 159 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Baxter, IA 50028.
- 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.