ZIP Code 50057 – Columbia, IA
Columbia, Iowa · Marion County · Central time
| ZIP code | 50057 |
|---|---|
| City | Columbia |
| State | Iowa |
| County | Marion County |
| Population | 327 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 18.56 sq mi |
| Center (lat, long) | 41.1799, -93.1343 |
Area codes in this area
These are the area codes that most often serve ZIP 50057 (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
About ZIP 50057
ZIP code 50057 is assigned to Columbia, Iowa. It lies in Marion County. Its Census area covers about 18.56 square miles of land. The closest neighboring ZIP is 50163 (Melcher Dallas), about 6.3 miles away.
Every address in 50057 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