ZIP CodesZIP codes in Lake County, Minnesota
Lake County, Minnesota has 6 ZIP codes in this list, from 55601 to 55616. They cover 6 places, among them Beaver Bay, Finland, Isabella and Knife River.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 55601 | Beaver Bay | 15.4 | 47.256, -91.357 |
| 55603 | Finland | 308 | 47.420, -91.210 |
| 55607 | Isabella | 302 | 47.660, -91.499 |
| 55609 | Knife River | 2.5 | 46.954, -91.778 |
| 55614 | Silver Bay | 218 | 47.358, -91.221 |
| 55616 | Two Harbors | 480 | 47.039, -91.678 |
The ZIP code areas of Lake County add up to about 1,326 square miles of land (3,435 sq km) as the Census Bureau draws them. The largest is 55616 (Two Harbors), with 480 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Beaver Bay, MN 55601.
- 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.