Find the last 4 digits (ZIP+4) for an address in 50255

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ZIP Code 50255 – Thornburg, IA

Thornburg, Iowa · Keokuk County · Central time

ZIP code50255
CityThornburg
StateIowa
CountyKeokuk County
Population51
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.19 sq mi
Center (lat, long)41.4559, -92.3321

Area codes in this area

641

These are the area codes that most often serve ZIP 50255 (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

50136 Keswick · 2.2 mi50268 What Cheer · 3.7 mi50104 Gibson · 4 mi52355 Webster · 7.3 mi50027 Barnes City · 7.3 mi52222 Deep River · 8.3 mi52550 Delta · 9.9 mi52586 Rose Hill · 10.2 mi

About ZIP 50255

ZIP code 50255 is assigned to Thornburg, Iowa. It lies in Keokuk County. Its Census area covers about 0.19 square miles of land. The closest neighboring ZIP is 50136 (Keswick), about 2.2 miles away.

Every address in 50255 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