| Business | Phone |
| Wireless Retail Inc 2855 Veterans Memorial Pkwy, St Charles 63303 | (636) 724-1305 |
| T Mobile Regency Square 2941 Veterans Memorial Pkwy, St Charles 63303 | (636) 724-5466 |
| Gateway Power Nextel 2428 S Old Highway 94, St Charles 63303 | (636) 928-0777 |
| Digital One 2428 S Highway 94, St Charles 63303 | (636) 928-0777 |
| Cingular Wireless 1065 Regency Pkwy, St Charles 63303 | (636) 947-7550 |