Find the last 4 digits (ZIP+4) for an address in 50643

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ZIP Code 50643 – Hudson, IA

Hudson, Iowa · Black Hawk County · Central time

ZIP code50643
CityHudson
StateIowa
CountyBlack Hawk CountyGrundy County
Population3,027
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area57.62 sq mi
Center (lat, long)42.3580, -92.4642

Area codes in this area

319

These are the area codes that most often serve ZIP 50643 (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

50612 Buckingham · 6.4 mi50701 Waterloo · 7.4 mi50669 Reinbeck · 7.8 mi50702 Waterloo · 10.5 mi50657 Morrison · 10.7 mi50614 Cedar Falls · 11 mi50704 Waterloo · 11 mi50675 Traer · 11.3 mi

About ZIP 50643

ZIP code 50643 is assigned to Hudson, Iowa. It crosses 2 counties; most of its land is in Black Hawk County. Its Census area covers about 57.62 square miles of land. The closest neighboring ZIP is 50612 (Buckingham), about 6.4 miles away.

Every address in 50643 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