Find the last 4 digits (ZIP+4) for an address in 51234

ZIP 51234, Boyden, IA is filled in. Just type the street address.

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ZIP Code 51234 – Boyden, IA

Boyden, Iowa · Sioux County · Central time

ZIP code51234
CityBoyden
StateIowa
CountySioux County
Population1,172
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area49.8 sq mi
Center (lat, long)43.1922, -96.0193

Area codes in this area

712

These are the area codes that most often serve ZIP 51234 (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

51244 Matlock · 5.6 mi51239 Hull · 6.5 mi51201 Sheldon · 7.8 mi51237 George · 10 mi51238 Hospers · 10.3 mi51250 Sioux Center · 11.7 mi51041 Orange City · 11.9 mi51235 Doon · 12.1 mi

About ZIP 51234

ZIP code 51234 is assigned to Boyden, Iowa. It lies in Sioux County. Its Census area covers about 49.8 square miles of land. The closest neighboring ZIP is 51244 (Matlock), about 5.6 miles away.

Every address in 51234 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