ZIP CodesZIP codes in Koochiching County, Minnesota
Koochiching County, Minnesota has 11 ZIP codes in this list, from 56627 to 56679. They cover 11 places, among them Big Falls, Birchdale, International Falls and Littlefork.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 56627 | Big Falls | 939 | 48.156, -93.730 |
| 56629 | Birchdale | 310 | 48.625, -94.168 |
| 56649 | International Falls | 285 | 48.601, -93.411 |
| 56653 | Littlefork | 454 | 48.385, -93.540 |
| 56654 | Loman | 122 | 48.516, -93.841 |
| 56658 | Margie | 5.5 | 48.090, -93.829 |
| 56660 | Mizpah | 136 | 47.950, -94.147 |
| 56661 | Northome | 371 | 47.844, -94.204 |
| 56668 | Ranier | 0.2 | 48.613, -93.349 |
| 56669 | Kabetogama | 251 | 48.246, -93.784 |
| 56679 | South International Falls | no area | 48.587, -93.399 |
The ZIP code areas of Koochiching County add up to about 2,875 square miles of land (7,446 sq km) as the Census Bureau draws them. The largest is 56627 (Big Falls), with 939 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Big Falls, MN 56627.
- 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.