Find the last 4 digits (ZIP+4) for an address in 51243

ZIP 51243, Little Rock, 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 51243 – Little Rock, IA

Little Rock, Iowa · Lyon County · Central time

ZIP code51243
CityLittle Rock
StateIowa
CountyLyon CountyOsceola County
Population735
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area52.3 sq mi
Center (lat, long)43.4406, -95.8966

Area codes in this area

712

These are the area codes that most often serve ZIP 51243 (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

51249 Sibley · 8.6 mi51237 George · 8.9 mi56129 Ellsworth · 9.5 mi51232 Ashton · 10.9 mi56117 Bigelow · 11.9 mi56168 Rushmore · 12.6 mi56110 Adrian · 12.8 mi51246 Rock Rapids · 13.5 mi

About ZIP 51243

ZIP code 51243 is assigned to Little Rock, Iowa. It crosses 2 counties; most of its land is in Lyon County. Its Census area covers about 52.3 square miles of land. The closest neighboring ZIP is 51249 (Sibley), about 8.6 miles away.

Every address in 51243 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