| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (703) 378-20** | (703) 378-2000 - (703) 378-2099 | 71 |
| (703) 378-21** | (703) 378-2101 - (703) 378-2199 | 69 |
| (703) 378-22** | (703) 378-2200 - (703) 378-2299 | 70 |
| (703) 378-23** | (703) 378-2300 - (703) 378-2399 | 62 |
| (703) 378-24** | (703) 378-2400 - (703) 378-2499 | 58 |
| (703) 378-25** | (703) 378-2500 - (703) 378-2599 | 70 |
| (703) 378-26** | (703) 378-2600 - (703) 378-2699 | 65 |
| (703) 378-27** | (703) 378-2700 - (703) 378-2795 | 62 |
| (703) 378-28** | (703) 378-2801 - (703) 378-2899 | 69 |
| (703) 378-29** | (703) 378-2902 - (703) 378-2999 | 65 |
US Phone Directory: (703) 378-2***
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