Buchanan County, Missouri
10 ZIP codes · 408.25 sq mi of land · FIPS 29021
| Population | 83,568 |
|---|---|
| State | Missouri |
| FIPS code | 29021 |
| Time zone | Central |
| Land area | 408.25 sq mi |
| Center (lat, long) | 39.6604, -94.8082 |
Area codes in this area
These are the area codes that most often serve Buchanan 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)
AgencyDe KalbEastonFaucettRushvilleSaint Joseph
ZIP codes in Buchanan County
64401 Agency64440 De Kalb64443 Easton64448 Faucett64484 Rushville64501 Saint Joseph64503 Saint Joseph64504 Saint Joseph64506 Saint Joseph64507 Saint Joseph
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.