| Business | Phone |
| A T & T 210 Pine St # 2, Harrisburg 17101 | (717) 255-5800 |
| Choice One Communications 301 Chestnut St, Harrisburg 17101 | (717) 213-4278 |
| Ctsi Llc 3950 Chambers Hill Rd, Harrisburg 17111 | (717) 901-9100 |
| National Telephone 2417 N Front St, Harrisburg 17110 | (717) 232-8201 |
| Pennslight Communications 989 E Park Dr, Harrisburg 17111 | (717) 561-8002 |
| Verizon Communications 400 2nd St, Harrisburg 17113 | (717) 255-5113 |
| Verizon Communications 6380 Flank Dr # 800, Harrisburg 17112 | (717) 540-7250 |
| Verizon Communications 801 S 29th St # 1, Harrisburg 17111 | (717) 558-2612 |