Richland county zip code - Zip codes in Richland county Illinois
| City | ZipCode | Area Code(s) | Time Zone | MSA |
| Calhoun (Calhoun Zip Code Lookup) | 62419 (62419 Zip Code Lookup) | 618/730 | Central | 0000 |
| Claremont (Claremont Zip Code Lookup) | 62421 (62421 Zip Code Lookup) | 618/730 | Central | 0000 |
| Dundas (Dundas Zip Code Lookup) | 62425 (62425 Zip Code Lookup) | 618/730 | Central | 0000 |
| German (German Zip Code Lookup) | 62421 (62421 Zip Code Lookup) | 618/730 | Central | 0000 |
| Berryville (Berryville Zip Code Lookup) | 62419 (62419 Zip Code Lookup) | 618/730 | Central | 0000 |
| Bonpas (Bonpas Zip Code Lookup) | 62419 (62419 Zip Code Lookup) | 618/730 | Central | 0000 |
| Noble (Noble Zip Code Lookup) | 62868 (62868 Zip Code Lookup) | 618/730 | Central | 0000 |
| Olney (Olney Zip Code Lookup) | 62450 (62450 Zip Code Lookup) | 618/730 | Central | 0000 |
| Orchard Heights (Orchard Heights Zip Code Lookup) | 62450 (62450 Zip Code Lookup) | 618/730 | Central | 0000 |
| Parkersburg (Parkersburg Zip Code Lookup) | 62452 (62452 Zip Code Lookup) | 618/730 | Central | 0000 |
| Wynoose (Wynoose Zip Code Lookup) | 62868 (62868 Zip Code Lookup) | 618/730 | Central | 0000 |