Find the last 4 digits (ZIP+4) for an address in 50431

ZIP 50431, Coulter, IA is filled in. Just type the street address.

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ZIP Code 50431 – Coulter, IA

Coulter, Iowa · Franklin County · Central time

ZIP code50431
CityCoulter
StateIowa
CountyFranklin County
Population228
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.75 sq mi
Center (lat, long)42.7365, -93.3699

Area codes in this area

641

These are the area codes that most often serve ZIP 50431 (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

50452 Latimer · 3.1 mi50420 Alexander · 6.5 mi50441 Hampton · 7.6 mi50071 Dows · 9.1 mi50470 Rowan · 9.3 mi50041 Bradford · 9.4 mi50427 Chapin · 10.2 mi50227 Popejoy · 10.3 mi

About ZIP 50431

ZIP code 50431 is assigned to Coulter, Iowa. It lies in Franklin County. Its Census area covers about 0.75 square miles of land. The closest neighboring ZIP is 50452 (Latimer), about 3.1 miles away.

Every address in 50431 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