| Business | Phone |
| Belleville City Office 2587 Carlyle Ave, Belleville 62221 | (618) 234-4659 |
| Belleville City Office 341 Citizens Park Dr, Belleville 62226 | (618) 235-1248 |
| Belleville City Public Svc 213 S Illinois St, Belleville 62220 | (618) 233-1146 |
| Belleville Sewage Treatment 450 Environmental Dr, Belleville 62220 | (618) 233-7146 |
| Belleville Twp Assistance Ofc 111 W A St, Belleville 62220 | (618) 233-0206 |
| Swansea Community Ctr 1501 Caseyville Ave, Belleville 62226 | (618) 233-1878 |
| Swansea Village Administrative 1400 N Illinois St, Belleville 62226 | (618) 234-0044 |
| Stookey Sewer Dept 313 Eiler Rd, Belleville 62223 | (618) 538-5531 |
| St Clair Twp Street Lighting 209 El Cerrito Dr, Belleville 62221 | (618) 277-3052 |
| Shiloh Valley Township 1370 Shiloh Station Rd, Belleville 62221 | (618) 234-7833 |
| City Of Beleville Waste Water 1598 E State Route 15, Belleville 62221 | (618) 277-3384 |
| City Of Belleville 709 N 2nd St, Belleville 62220 | (618) 235-1251 |