Find the last 4 digits (ZIP+4) for an address in 50604

ZIP 50604, Aplington, IA is filled in. Just type the street address.

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ZIP Code 50604 – Aplington, IA

Aplington, Iowa · Butler County · Central time

ZIP code50604
CityAplington
StateIowa
CountyButler CountyGrundy County
Population1,590
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area71.53 sq mi
Center (lat, long)42.6018, -92.8965

Area codes in this area

319

These are the area codes that most often serve ZIP 50604 (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

50608 Austinville · 3.4 mi50649 Kesley · 4.2 mi50665 Parkersburg · 6.5 mi50601 Ackley · 8.6 mi50602 Allison · 10.7 mi50673 Stout · 10.8 mi50680 Wellsburg · 10.9 mi50625 Dumont · 11.1 mi

About ZIP 50604

ZIP code 50604 is assigned to Aplington, Iowa. It crosses 2 counties; most of its land is in Butler County. Its Census area covers about 71.53 square miles of land. The closest neighboring ZIP is 50608 (Austinville), about 3.4 miles away.

Every address in 50604 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