ZIP CodesZIP codes in Andrew County, Missouri
Andrew County, Missouri has 9 ZIP codes in this list, from 64421 to 64506. They cover 9 places, among them Amazonia, Bolckow, Cosby and Fillmore.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 64421 | Amazonia | 24.5 | 39.909, -94.911 |
| 64427 | Bolckow | 62.1 | 40.101, -94.885 |
| 64436 | Cosby | 30.5 | 39.855, -94.698 |
| 64449 | Fillmore | 38.5 | 40.014, -94.956 |
| 64459 | Helena | 23.7 | 39.929, -94.647 |
| 64480 | Rea | 26.1 | 40.059, -94.700 |
| 64483 | Rosendale | 33.7 | 40.040, -94.833 |
| 64485 | Savannah | 109 | 39.917, -94.827 |
| 64506 | Saint Joseph | 10.0 | 39.789, -94.804 |
The ZIP code areas of Andrew County add up to about 358 square miles of land (926 sq km) as the Census Bureau draws them. The largest is 64485 (Savannah), with 109 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Amazonia, MO 64421.
- 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.