Find the last 4 digits (ZIP+4) for an address in 51246

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ZIP Code 51246 – Rock Rapids, IA

Rock Rapids, Iowa · Lyon County · Central time

ZIP code51246
CityRock Rapids
StateIowa
CountyLyon County
Population4,041
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area161.11 sq mi
Center (lat, long)43.4288, -96.1647

Area codes in this area

712

These are the area codes that most often serve ZIP 51246 (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

56173 Steen · 7.7 mi51242 Lester · 8.7 mi56129 Ellsworth · 9.3 mi51230 Alvord · 9.3 mi51235 Doon · 9.6 mi51237 George · 10.4 mi56146 Kanaranzi · 10.9 mi56138 Hills · 13.1 mi

About ZIP 51246

ZIP code 51246 is assigned to Rock Rapids, Iowa. It lies in Lyon County. Its Census area covers about 161.11 square miles of land. The closest neighboring ZIP is 56173 (Steen), about 7.7 miles away.

Every address in 51246 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