| Business | Phone |
| A T & T 1200 Corporate Dr, Birmingham 35242 | (205) 980-4000 |
| A T & T 613 December Dr, Birmingham 35214 | (205) 206-2000 |
| Bell South 1300 Kingsway Ln, Birmingham 35243 | (205) 969-2485 |
| Bell South 1876 Data Dr, Birmingham 35244 | (205) 982-9619 |
| Bell South 3196 Highway 280 S, Birmingham 35243 | (205) 968-5000 |
| Bell South 3535 Colonnade Pkwy, Birmingham 35243 | (205) 977-2037 |
| Bell South Memorycall 41 20th Ave Nw, Birmingham 35215 | (205) 853-0513 |
| Bellsouth 5160 Trace Crossings Dr, Birmingham 35244 | (205) 987-7667 |
| Bellsouth Memorycall 1920 Oxmoor Rd, Birmingham 35209 | (205) 870-0648 |
| Birch Telecom 100 Grandview Pl # 120, Birmingham 35243 | (205) 970-0116 |
| Entrepreneurial Center 110 12th St N, Birmingham 35203 | (205) 250-8000 |
| Bell South 1920 Oxmoor Rd, Birmingham 35209 | (205) 870-0648 |
| Bell South 41 20th Ave Nw, Birmingham 35215 | (205) 853-0513 |
| Haymaker Communications Inc 1330 21st Way S # 120, Birmingham 35205 | (205) 933-7001 |