| Business | Phone |
| American Telephone & Telegraph 95 William St, Newark 7102 | (973) 596-2100 |
| Bray Telephone Co 1 Attest Blvd, Newark 7102 | (973) 286-5631 |
| Gateway Telephone Co 3 Gateway Ctr, Newark 7102 | (973) 621-0202 |
| Hotline Inc 168 Market St, Newark 7102 | (973) 643-7722 |
| Idt Corp 520 Broad St, Newark 7102 | (973) 438-1000 |
| Qwest Communication 165 Halsey St, Newark 7102 | (973) 596-1331 |
| Reach Services-Usa 165 Halsey St # 5, Newark 7102 | (973) 273-9500 |
| Sphera Optical Network 744 Broad St, Newark 7102 | (973) 273-1402 |
| Trt Telecommunications Newark 7102 | (973) 623-4736 |
| Universal Phone Card 1 Raymond Plz W, Newark 7102 | (973) 693-0052 |
| Optimum Voice From Cablevision Newark 7102 | (973) 230-6706 |