Postal reference / United States

48611Auburn, Michigan

ZIP code 48611 is a United States postal code for Auburn, Michigan. Its county association is Bay County. The map reference point is at 43.608, -84.1027.

State / territory
Michigan
Recorded place name
Auburn
County association
Bay
Estimated coordinate
43.608, -84.1027
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ZIP prefix
486 · 60 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
38.183 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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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
48674MidlandMIMidland4.7
48642MidlandMIMidland5.2
48710University CenterMIBay6.5
48667MidlandMIMidland7.2
48631KawkawlinMIBay7.4
48706Bay CityMIBay7.5
48623FreelandMISaginaw7.5
48670MidlandMIMidland8.0

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

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