| Business | Phone |
| Wireless World 909 Broadway Ave # 3, Yankton 57078 | (605) 668-9035 |
| Cellular 2000 Kay's 300 1st Av Ne, Yankton 57078 | (605) 753-5500 |
| Cellular One 1100 Broadway Ave # 2, Yankton 57078 | (605) 665-1935 |
| D & T Cellular 2400 Douglas Ave # 22, Yankton 57078 | (605) 260-2355 |
| Radio Shack 2101 Broadway Ave # 35, Yankton 57078 | (605) 665-1150 |
| General Cellular 1105 W 8th St, Yankton 57078 | (605) 665-9709 |