Find the last 4 digits (ZIP+4) for an address in 51235

ZIP 51235, Doon, IA is filled in. Just type the street address.

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ZIP Code 51235 – Doon, IA

Doon, Iowa · Lyon County · Central time

ZIP code51235
CityDoon
StateIowa
CountyLyon CountySioux County
Population1,007
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area53.5 sq mi
Center (lat, long)43.2949, -96.2153

Area codes in this area

712

These are the area codes that most often serve ZIP 51235 (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

51230 Alvord · 6.8 mi51239 Hull · 7.1 mi51247 Rock Valley · 9.3 mi51246 Rock Rapids · 9.6 mi51237 George · 11.1 mi51242 Lester · 11.3 mi51234 Boyden · 12.1 mi51240 Inwood · 12.2 mi

About ZIP 51235

ZIP code 51235 is assigned to Doon, Iowa. It crosses 2 counties; most of its land is in Lyon County. Its Census area covers about 53.5 square miles of land. The closest neighboring ZIP is 51230 (Alvord), about 6.8 miles away.

Every address in 51235 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