Find the last 4 digits (ZIP+4) for an address in 51247

ZIP 51247, Rock Valley, IA is filled in. Just type the street address.

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ZIP Code 51247 – Rock Valley, IA

Rock Valley, Iowa · Sioux County · Central time

ZIP code51247
CityRock Valley
StateIowa
CountySioux CountyLyon County
Population5,094
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area112.6 sq mi
Center (lat, long)43.1938, -96.3381

Area codes in this area

712

These are the area codes that most often serve ZIP 51247 (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

57027 Fairview · 9.1 mi51235 Doon · 9.3 mi51239 Hull · 9.6 mi51250 Sioux Center · 9.7 mi51240 Inwood · 10 mi51230 Alvord · 11.2 mi57034 Hudson · 11.3 mi51023 Hawarden · 14.4 mi

About ZIP 51247

ZIP code 51247 is assigned to Rock Valley, Iowa. It crosses 2 counties; most of its land is in Sioux County. Its Census area covers about 112.6 square miles of land. The closest neighboring ZIP is 57027 (Fairview), about 9.1 miles away.

Every address in 51247 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