| Business | Phone |
| U S Carrier Telecom Llc 421 W Church St, Jacksonville 32202 | (904) 358-0410 |
| Tower Com East Coast 7411 Fullerton St # 200, Jacksonville 32256 | (904) 880-8887 |
| Quality Communications Fire 5224 Channel View Dr, Jacksonville 32226 | (904) 696-3006 |
| Diverse Networks Inc 6123 Philips Hwy # 1, Jacksonville 32216 | (904) 730-4601 |
| Fiber Source Communications 9832 Sandler Rd, Jacksonville 32222 | (904) 733-9300 |
| Mfs Communications 1301 Riverplace Blvd, Jacksonville 32207 | (904) 306-7900 |
| Mci 6650 Southpoint Pkwy, Jacksonville 32216 | (904) 281-0248 |