Phone Prefix | Range | Phones Recorded |
---|---|---|
(301) 856-50** | (301) 856-5000 - (301) 856-5098 | 56 |
(301) 856-51** | (301) 856-5100 - (301) 856-5199 | 73 |
(301) 856-52** | (301) 856-5200 - (301) 856-5298 | 51 |
(301) 856-53** | (301) 856-5301 - (301) 856-5399 | 55 |
(301) 856-54** | (301) 856-5402 - (301) 856-5499 | 56 |
(301) 856-55** | (301) 856-5500 - (301) 856-5599 | 55 |
(301) 856-56** | (301) 856-5603 - (301) 856-5699 | 69 |
(301) 856-57** | (301) 856-5703 - (301) 856-5799 | 56 |
(301) 856-58** | (301) 856-5800 - (301) 856-5899 | 52 |
(301) 856-59** | (301) 856-5900 - (301) 856-5998 | 46 |
US Phone Directory: (301) 856-5***
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