ZIP CodesZIP codes in Mills County, Iowa
Mills County, Iowa has 8 ZIP codes in this list, from 51533 to 51571. They cover 8 places, among them Emerson, Glenwood, Hastings and Henderson.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 51533 | Emerson | 79.9 | 41.028, -95.411 |
| 51534 | Glenwood | 100 | 41.047, -95.739 |
| 51540 | Hastings | 57.4 | 41.013, -95.501 |
| 51541 | Henderson | 42.9 | 41.125, -95.459 |
| 51551 | Malvern | 81.9 | 41.007, -95.584 |
| 51554 | Mineola | 3.3 | 41.141, -95.701 |
| 51561 | Pacific Junction | 56.1 | 41.027, -95.805 |
| 51571 | Silver City | 46.0 | 41.113, -95.627 |
The ZIP code areas of Mills County add up to about 468 square miles of land (1,212 sq km) as the Census Bureau draws them. The largest is 51534 (Glenwood), with 100 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Emerson, IA 51533.
- 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.