Find the last 4 digits (ZIP+4) for an address in 50258

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ZIP Code 50258 – Union, IA

Union, Iowa · Hardin County · Central time

ZIP code50258
CityUnion
StateIowa
CountyHardin CountyMarshall County
Population958
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area53.97 sq mi
Center (lat, long)42.2241, -93.0731

Area codes in this area

515

These are the area codes that most often serve ZIP 50258 (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

50269 Whitten · 4.2 mi50148 Liscomb · 4.9 mi50005 Albion · 6.7 mi50206 New Providence · 6.8 mi50051 Clemons · 7 mi50621 Conrad · 8 mi50239 Saint Anthony · 8.7 mi50627 Eldora · 8.8 mi

About ZIP 50258

ZIP code 50258 is assigned to Union, Iowa. It crosses 2 counties; most of its land is in Hardin County. Its Census area covers about 53.97 square miles of land. The closest neighboring ZIP is 50269 (Whitten), about 4.2 miles away.

Every address in 50258 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