Find the last 4 digits (ZIP+4) for an address in 52738

ZIP 52738, Columbus Junction, IA is filled in. Just type the street address.

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ZIP Code 52738 – Columbus Junction, IA

Columbus Junction, Iowa · Louisa County · Central time

ZIP code52738
CityColumbus Junction
StateIowa
CountyLouisa CountyWashington County
Population3,398
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area122.54 sq mi
Center (lat, long)41.2736, -91.3779

Area codes in this area

319

These are the area codes that most often serve ZIP 52738 (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

52737 Columbus City · 1 mi52739 Conesville · 6.9 mi52754 Letts · 8.3 mi52621 Crawfordsville · 9.2 mi52201 Ainsworth · 9.6 mi52752 Grandview · 9.7 mi52659 Winfield · 10.2 mi52640 Morning Sun · 12.9 mi

About ZIP 52738

ZIP code 52738 is assigned to Columbus Junction, Iowa. It crosses 2 counties; most of its land is in Louisa County. Its Census area covers about 122.54 square miles of land. The closest neighboring ZIP is 52737 (Columbus City), about 1 miles away.

Every address in 52738 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