Find the last 4 digits (ZIP+4) for an address in 56431

ZIP 56431, Aitkin, MN is filled in. Just type the street address.

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ZIP Code 56431 – Aitkin, MN

Aitkin, Minnesota · Aitkin County · Central time

ZIP code56431
CityAitkin
StateMinnesota
CountyAitkin CountyCrow Wing County
Population9,312
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area462.77 sq mi
Center (lat, long)46.4911, -93.6356

Area codes in this area

218

These are the area codes that most often serve ZIP 56431 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

56444 Deerwood · 12.6 mi56441 Crosby · 17.5 mi56455 Ironton · 17.7 mi56450 Garrison · 20.1 mi56469 Palisade · 20.3 mi56447 Emily · 20.4 mi55760 Mcgregor · 20.8 mi56465 Merrifield · 23 mi

About ZIP 56431

ZIP code 56431 is assigned to Aitkin, Minnesota. It crosses 2 counties; most of its land is in Aitkin County. Its Census area covers about 462.77 square miles of land. The closest neighboring ZIP is 56444 (Deerwood), about 12.6 miles away.

Every address in 56431 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources