Find the last 4 digits (ZIP+4) for an address in 51044

ZIP 51044, Oto, IA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 51044 – Oto, IA

Oto, Iowa · Woodbury County · Central time

ZIP code51044
CityOto
StateIowa
CountyWoodbury County
Population165
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area33.68 sq mi
Center (lat, long)42.3062, -95.9181

Area codes in this area

712

These are the area codes that most often serve ZIP 51044 (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

51056 Smithland · 4.9 mi51004 Anthon · 5.1 mi51051 Rodney · 7.3 mi51026 Hornick · 8.4 mi51015 Climbing Hill · 8.6 mi51019 Danbury · 10.3 mi51034 Mapleton · 11.9 mi51039 Moville · 11.9 mi

About ZIP 51044

ZIP code 51044 is assigned to Oto, Iowa. It lies in Woodbury County. Its Census area covers about 33.68 square miles of land. The closest neighboring ZIP is 51056 (Smithland), about 4.9 miles away.

Every address in 51044 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