| Business | Phone |
| Commercial Telephone Systems 2 Edison Pl, Fairfield 7004 | (973) 882-1234 |
| Grand Slam Telecom 1275 Bloomfield Ave # 53, Fairfield 7004 | (973) 244-1141 |
| Ins Technologies Inc 20 Just Rd, Fairfield 7004 | (973) 808-6400 |
| Nu-Tel Communications Of Nj 12 Daniel Rd, Fairfield 7004 | (973) 227-9664 |
| Phone Express 14 Industrial Rd, Fairfield 7004 | (973) 808-4023 |
| Phonextra Abrivo 15 Gardner Rd, Fairfield 7004 | (973) 808-7000 |
| Tel Quest Intl 26 Commerce Rd # B, Fairfield 7004 | (973) 808-4588 |