Find the last 4 digits (ZIP+4) for an address in 52638

ZIP 52638, Middletown, IA is filled in. Just type the street address.

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ZIP Code 52638 – Middletown, IA

Middletown, Iowa · Des Moines County · Central time

ZIP code52638
CityMiddletown
StateIowa
CountyDes Moines County
Population508
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area33.81 sq mi
Center (lat, long)40.8015, -91.2423

Area codes in this area

319

These are the area codes that most often serve ZIP 52638 (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

52655 West Burlington · 3.5 mi52623 Danville · 6 mi52624 Denmark · 6.7 mi52601 Burlington · 7 mi52658 Wever · 7.1 mi61425 Carman · 11 mi52650 Sperry · 11.4 mi52645 New London · 11.4 mi

About ZIP 52638

ZIP code 52638 is assigned to Middletown, Iowa. It lies in Des Moines County. Its Census area covers about 33.81 square miles of land. The closest neighboring ZIP is 52655 (West Burlington), about 3.5 miles away.

Every address in 52638 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