Find the last 4 digits (ZIP+4) for an address in 51031

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ZIP Code 51031 – Le Mars, IA

Le Mars, Iowa · Plymouth County · Central time

ZIP code51031
CityLe Mars
StateIowa
CountyPlymouth CountySioux County
Population12,808
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area234.14 sq mi
Center (lat, long)42.8032, -96.1864

Area codes in this area

712

These are the area codes that most often serve ZIP 51031 (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

51008 Brunsville · 4.1 mi51045 Oyens · 6.6 mi51038 Merrill · 9.5 mi51036 Maurice · 11.5 mi51050 Remsen · 12.1 mi51024 Hinton · 12.8 mi51027 Ireton · 13.3 mi51041 Orange City · 16.2 mi

About ZIP 51031

ZIP code 51031 is assigned to Le Mars, Iowa. It crosses 2 counties; most of its land is in Plymouth County. Its Census area covers about 234.14 square miles of land. The closest neighboring ZIP is 51008 (Brunsville), about 4.1 miles away.

Every address in 51031 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