| Business | Phone |
| Charleston Telecommunication 914 Folly Rd, Charleston 29412 | (843) 762-0256 |
| Knology 4506 Dorchester Rd, Charleston 29405 | (843) 225-1000 |
| Skyline Telecom 1 Carriage Ln, Charleston 29407 | (843) 763-7878 |
| Speros Telecommunications Charleston 29407 | (843) 852-9900 |
| Suncom A T&T 1836 Ashley River Rd, Charleston 29407 | (843) 766-2031 |