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| ADVANCED COMMUNICATIONS SYSTEMS | CHULA VISTA, CA | (619) 420-7999 |
| BALBOA TELEPHONE CO | CHULA VISTA, CA | (619) 585-1676 |
| COMMUNICATION AND NETWORK SOLUTIONS | 2325 VIA TERCERO CHULA VISTA, CA | (619) 690-2992 |
| PAGECELL PLUS | 555 BROADWAY CHULA VISTA, CA | (619) 427-0460 |
| WEST COAST WIRELESS | 249 BROADWAY CHULA VISTA, CA | (619) 585-8811 |
| WORLD TELECOM | 925 HALE PL CHULA VISTA, CA | (619) 482-4720 |
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