Find the last 4 digits (ZIP+4) for an address in 50645

ZIP 50645, Ionia, IA is filled in. Just type the street address.

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ZIP Code 50645 – Ionia, IA

Ionia, Iowa · Chickasaw County · Central time

ZIP code50645
CityIonia
StateIowa
CountyChickasaw CountyBremer CountyFloyd County
Population1,193
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area85.63 sq mi
Center (lat, long)43.0196, -92.4437

Area codes in this area

319

These are the area codes that most often serve ZIP 50645 (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

50658 Nashua · 6.7 mi50661 North Washington · 6.9 mi50659 New Hampton · 7.8 mi50631 Frederika · 11.5 mi50616 Charles City · 11.6 mi50603 Alta Vista · 11.7 mi50666 Plainfield · 11.8 mi50620 Colwell · 12.1 mi

About ZIP 50645

ZIP code 50645 is assigned to Ionia, Iowa. It crosses 3 counties; most of its land is in Chickasaw County. Its Census area covers about 85.63 square miles of land. The closest neighboring ZIP is 50658 (Nashua), about 6.7 miles away.

Every address in 50645 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