| Business | Phone |
| Us Cellular 902 S Randall Rd, Saint Charles 60174 | (630) 587-9790 |
| Cingular Wireless 3800 E Main St, Saint Charles 60174 | (630) 762-6444 |
| Eac Enterprises Inc 40w160 Campton Crossings Drf, Saint Charles 60175 | (630) 444-1380 |
| Nextel 3800 E Main St B111, Saint Charles 60174 | (630) 587-9455 |
| Instant Communication 600 S Randall Rd, Saint Charles 60174 | (630) 587-4400 |