ZIP Code 51249 – Sibley, IA
Sibley, Iowa · Osceola County · Central time
| ZIP code | 51249 |
|---|---|
| City | Sibley |
| State | Iowa |
| County | Osceola County |
| Population | 3,564 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 126.59 sq mi |
| Center (lat, long) | 43.4074, -95.7310 |
Area codes in this area
These are the area codes that most often serve ZIP 51249 (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 51249
ZIP code 51249 is assigned to Sibley, Iowa. It lies in Osceola County. Its Census area covers about 126.59 square miles of land. The closest neighboring ZIP is 56117 (Bigelow), about 8.3 miles away.
Every address in 51249 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