| Business | Phone |
| Adam Cellular Inc 2000 N Neil St, Champaign 61820 | (217) 351-1155 |
| Agml Inc 606 N Country Fair Dr, Champaign 61821 | (217) 378-6979 |
| Barbeck Communications 7 Convenience Center Rd, Champaign 61820 | (217) 352-9262 |
| Champaign Telephone Co 1107 Windsor Rd, Champaign 61821 | (217) 531-1011 |
| Champaign Telephone Co 1300 S Neil St, Champaign 61820 | (217) 359-4282 |