| Business | Phone |
| Wireless World 724 S Washington Ave, Madison 57042 | (605) 256-9722 |
| B & B Cellular 112 E Center St, Madison 57042 | (605) 256-2944 |
| Cellular Advantage & Satellite 112 E Center St, Madison 57042 | (605) 256-0994 |
| Cellular One 210 N Egan Ave, Madison 57042 | (605) 256-0088 |
| Cellular Solutions 220 Ne 2nd St, Madison 57042 | (605) 256-9877 |