| Primary City | Mount Vernon | |
| Population | 15,277 | |
| State | Illinois | |
| County | Jefferson County | |
| Current Time | ||
| Zip Codes | 62864 | |
| Area Codes | 618 |
Neighbouring Zip Codes
ZIP Code: 62801
Centralia, Illinois
ZIP Code: 61528
Edwards, Illinois
ZIP Code: 62025
Edwardsville, Illinois
ZIP Code: 62026
Edwardsville, Illinois
ZIP Code: 62401
Effingham, Illinois
ZIP Code: 62839
Flora, Illinois
ZIP Code: 62246
Greenville, Illinois
ZIP Code: 62249
Highland, Illinois
ZIP Code: 62049
Hillsboro, Illinois
ZIP Code: 62056
Litchfield, Illinois
ZIP Code: 62258
Mascoutah, Illinois
ZIP Code: 62557
Pana, Illinois
ZIP Code: 62881
Salem, Illinois
ZIP Code: 62221
Belleville, Illinois
ZIP Code: 62269
O Fallon, Illinois
ZIP Code: 62088
Staunton, Illinois
ZIP Code: 62294
Troy, Illinois
ZIP Code: 62471
Vandalia, Illinois
Neighbouring Cities
Salem, Greenville, Centralia, Highland, Hillsboro, Flora, Effingham, Litchfield, Pana, Staunton, Troy, Mascoutah, Edwardsville, O'Fallon, Shiloh