Blue Earth County ZIP Codes
Blue Earth County is a county of Minnesota.
- ZIP codes
- 12
- Cities & towns
- 11
- Area codes
- 2
- Land area
- 748 sq mi
Every ZIP code in Blue Earth County
| ZIP code | City |
|---|---|
| 56001 | Mankato |
| 56002 | Mankato |
| 56010 | Amboy |
| 56024 | Eagle Lake |
| 56034 | Garden City |
| 56037 | Good Thunder |
| 56055 | Lake Crystal |
| 56063 | Madison Lake |
| 56065 | Mapleton |
| 56078 | Pemberton |
| 56080 | Saint Clair |
| 56090 | Vernon Center |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Blue Earth County codes above are listed without a column we would have to invent.
Cities and towns in Blue Earth County
A further 2 places in Blue Earth County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.
Area codes covering Blue Earth County
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.
Where Blue Earth County's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every ZIP code recorded in Blue Earth County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.