Phone Prefix | Range | Phones Recorded |
---|---|---|
(301) 540-20** | (301) 540-2000 - (301) 540-2099 | 75 |
(301) 540-21** | (301) 540-2102 - (301) 540-2199 | 84 |
(301) 540-22** | (301) 540-2200 - (301) 540-2298 | 77 |
(301) 540-23** | (301) 540-2300 - (301) 540-2399 | 89 |
(301) 540-24** | (301) 540-2400 - (301) 540-2499 | 82 |
(301) 540-25** | (301) 540-2500 - (301) 540-2599 | 85 |
(301) 540-26** | (301) 540-2600 - (301) 540-2696 | 85 |
(301) 540-27** | (301) 540-2700 - (301) 540-2799 | 85 |
(301) 540-28** | (301) 540-2800 - (301) 540-2899 | 85 |
(301) 540-29** | (301) 540-2901 - (301) 540-2997 | 87 |
US Phone Directory: (301) 540-2***
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