Postal reference / United States

56003Mankato, Minnesota

ZIP code 56003 is a United States postal code for Mankato, Minnesota. Its county association is Nicollet County. The map reference point is at 44.2172, -94.0942.

State / territory
Minnesota
Recorded place name
Mankato
County association
Nicollet
Estimated coordinate
44.2172, -94.0942
View on OpenStreetMap
ZIP prefix
560 · 74 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
43.981 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Other ZIP codes in Mankato, MN

Mankato has 3 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
56002MankatoMNBlue Earth5.8
56074NicolletMNNicollet6.0
56001MankatoMNBlue Earth6.5
56050KasotaMNLe Sueur8.7
56055Lake CrystalMNBlue Earth9.1
56082Saint PeterMNNicollet9.9
56024Eagle LakeMNBlue Earth11.8
56034Garden CityMNBlue Earth12.5

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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