Find the last 4 digits (ZIP+4) for an address in 50638

ZIP 50638, Grundy Center, IA is filled in. Just type the street address.

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ZIP Code 50638 – Grundy Center, IA

Grundy Center, Iowa · Grundy County · Central time

ZIP code50638
CityGrundy Center
StateIowa
CountyGrundy County
Population3,441
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area93.98 sq mi
Center (lat, long)42.3565, -92.7950

Area codes in this area

319

These are the area codes that most often serve ZIP 50638 (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

50642 Holland · 5.8 mi50657 Morrison · 6.2 mi50652 Lincoln · 8.2 mi50680 Wellsburg · 8.7 mi50609 Beaman · 8.9 mi50669 Reinbeck · 9.3 mi50621 Conrad · 9.8 mi50624 Dike · 10.4 mi

About ZIP 50638

ZIP code 50638 is assigned to Grundy Center, Iowa. It lies in Grundy County. Its Census area covers about 93.98 square miles of land. The closest neighboring ZIP is 50642 (Holland), about 5.8 miles away.

Every address in 50638 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