| Business | Phone |
| Broadview Networks 744 Broad St, Newark 7102 | (973) 848-8800 |
| Ecuador Express 164 Central Ave, Newark 7103 | (973) 412-8000 |
| Fiber Net Telecom Group Inc 165 Halsey St, Newark 7102 | (973) 273-0644 |
| Fibernet Telecom Group 100 Mulberry St, Newark 7102 | (973) 242-6490 |
| Fibernet Telecom Group Inc 1 Gateway Ctr, Newark 7102 | (973) 792-6100 |
| Global Crossing 1 Newark Ctr, Newark 7102 | (973) 242-0961 |
| I Q Ventures 194 Frelinghuysen Ave, Newark 7114 | (973) 286-7777 |
| Ldds World Com 165 Halsey St # 3, Newark 7102 | (973) 824-2408 |
| Mci 165 Halsey St # 3, Newark 7102 | (973) 286-2018 |
| Mci 744 Broad St, Newark 7102 | (973) 623-2222 |
| Net 2 Phone Inc 520 Broad St # 5, Newark 7102 | (973) 438-3111 |
| Nor Vergence Inc 550 Broad St, Newark 7102 | (973) 242-7500 |
| Pacific Communications 71 Pacific St, Newark 7105 | (973) 491-5239 |
| Telecom Italia North America 165 Halsey St, Newark 7102 | (973) 877-0914 |
| Verizon New Jersey Inc 540 Broad St # 200h, Newark 7102 | (973) 649-9900 |
| A T & T 95 William St # 8, Newark 7102 | (973) 596-2500 |