Plymouth County, Iowa
11 ZIP codes · 862.83 sq mi of land · FIPS 19149
| Population | 25,747 |
|---|---|
| State | Iowa |
| FIPS code | 19149 |
| Time zone | Central |
| Land area | 862.83 sq mi |
| Center (lat, long) | 42.7376, -96.2160 |
Area codes in this area
These are the area codes that most often serve Plymouth County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
ZIP codes in Plymouth County
51001 Akron51008 Brunsville51024 Hinton51028 Kingsley51031 Le Mars51038 Merrill51045 Oyens51050 Remsen51062 Westfield51108 Sioux City51109 Sioux City
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.