Phone Prefix | Range | Phones Recorded |
---|---|---|
(301) 322-50** | (301) 322-5000 - (301) 322-5099 | 49 |
(301) 322-51** | (301) 322-5100 - (301) 322-5199 | 54 |
(301) 322-52** | (301) 322-5202 - (301) 322-5298 | 64 |
(301) 322-53** | (301) 322-5300 - (301) 322-5398 | 70 |
(301) 322-54** | (301) 322-5400 - (301) 322-5499 | 69 |
(301) 322-55** | (301) 322-5500 - (301) 322-5599 | 64 |
(301) 322-56** | (301) 322-5600 - (301) 322-5699 | 70 |
(301) 322-57** | (301) 322-5700 - (301) 322-5799 | 69 |
(301) 322-58** | (301) 322-5800 - (301) 322-5899 | 66 |
(301) 322-59** | (301) 322-5900 - (301) 322-5995 | 66 |
US Phone Directory: (301) 322-5***
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