County ZIP codes · Minnesota · FIPS 27077
Lake of the Woods County, MN ZIP Codes
Lake of the Woods County, Minnesota has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 4 residential and 1 for PO boxes or a single organization. 2 of the residential ones extend into a neighboring county.
- ACS2020-24
- Census2020
Where are the ZIP codes of Lake of the Woods County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 4 residential ZIP codes in Lake of the Woods County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
2 ZIP codes of Lake of the Woods County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Lake of the Woods | Elsewhere |
|---|---|---|
| 56623 | 83% | Koochiching County17% |
| 56673 | 81% | Roseau County19% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 56741 | Oak Island |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Lake of the Woods County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Lake of the Woods County's ZIP codes use 2 prefixes: 566 and 567.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 566 | St Paul, MN (SCF 550) | 3 | 53 |
| 567 | Grand Forks, ND (SCF 582) | 2 | 42 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.