| C & P Telephone (703) 759-0764 | Great Falls, VA 22066 5.2 mi | Call NowDetails |
| United Telephone (703) 631-9544 | Chantilly, VA 20151 12.3 mi 4280 Henninger Ct | Call NowDetails |
| Bay Telephone Systems (301) 595-7555 | Rockville, MD 20850 20.1 mi 2275 Research Blvd | Call NowDetails |
