Find the last 4 digits (ZIP+4) for an address in 51239

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ZIP Code 51239 – Hull, IA

Hull, Iowa · Sioux County · Central time

ZIP code51239
CityHull
StateIowa
CountySioux CountyLyon County
Population2,876
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area67 sq mi
Center (lat, long)43.2039, -96.1475

Area codes in this area

712

These are the area codes that most often serve ZIP 51239 (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

51234 Boyden · 6.5 mi51235 Doon · 7.1 mi51250 Sioux Center · 8.3 mi51247 Rock Valley · 9.6 mi51244 Matlock · 11.1 mi51237 George · 11.7 mi51041 Orange City · 12.9 mi51230 Alvord · 13.7 mi

About ZIP 51239

ZIP code 51239 is assigned to Hull, Iowa. It crosses 2 counties; most of its land is in Sioux County. Its Census area covers about 67 square miles of land. The closest neighboring ZIP is 51234 (Boyden), about 6.5 miles away.

Every address in 51239 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