| Business | Phone |
| 800 Long Distance 9577 Chesapeake Dr, San Diego 92123 | (858) 565-4000 |
| Better Way Com Inc 919 Garnet Ave, San Diego 92109 | (858) 274-3959 |
| Cellcom-One Inc 5955 Mira Mesa Blvd, San Diego 92121 | (858) 866-7100 |
| Cox Communications 1535 Euclid Ave, San Diego 92105 | (619) 262-1122 |
| Digital Orchid Corp 12670 High Bluff Dr, San Diego 92130 | (858) 847-9900 |
| E Ft 8730 Rio San Diego Dr, San Diego 92108 | (619) 299-9461 |
| E Phone 5060 Shoreham Pl, San Diego 92122 | (858) 458-5897 |
| Economy Telcom 10969 Red Cedar Dr, San Diego 92131 | (858) 530-2634 |
| Express Tel 3750 Convoy St # 312, San Diego 92111 | (858) 569-0300 |
| Access Jcn Telephone 3751 6th Ave # B, San Diego 92103 | (619) 688-0529 |
| Allegiance Telecom Inc 6165 Greenwich Dr, San Diego 92122 | (858) 404-6000 |
| Sell Phones 1640 Camino Del Rio N, San Diego 92108 | (619) 220-8035 |
| Sell Phones 324 Horton Plz, San Diego 92101 | (619) 236-9104 |
| San Diego Telecomm 2188 San Diego Ave # J, San Diego 92110 | (858) 454-1999 |
| Communications Management Svc 5095 Murphy Canyon Rd, San Diego 92123 | (858) 565-2800 |
| Phone Rental Inc 3065 Rosecrans Pl, San Diego 92110 | (619) 226-6086 |
| Pba Communications 625 Broadway # 635, San Diego 92101 | (619) 232-5101 |
| Pae Tec Communications Inc 6265 Greenwich Dr # 150, San Diego 92122 | (858) 764-0100 |
| Optidial Communications 8840 Complex Dr # 105, San Diego 92123 | (858) 505-1800 |
| Five Star Communications 4401 Twain Ave, San Diego 92120 | (619) 640-8871 |
| Marcus Evans Inc 13520 Evening Creek Dr N, San Diego 92128 | (858) 679-9449 |
| Gte Wireless 4305 La Jolla Village Dr, San Diego 92122 | (858) 452-0117 |
| Time Warner Telecom 7220 Trade St # 300, San Diego 92121 | (858) 549-4440 |