| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (301) 801-70** | (301) 801-7006 - (301) 801-7090 | 19 |
| (301) 801-71** | (301) 801-7102 - (301) 801-7197 | 26 |
| (301) 801-72** | (301) 801-7204 - (301) 801-7298 | 26 |
| (301) 801-73** | (301) 801-7301 - (301) 801-7354 | 16 |
| (301) 801-74** | (301) 801-7445 - (301) 801-7497 | 15 |
| (301) 801-75** | (301) 801-7504 - (301) 801-7597 | 26 |
| (301) 801-76** | (301) 801-7600 - (301) 801-7696 | 26 |
| (301) 801-77** | (301) 801-7703 - (301) 801-7791 | 25 |
| (301) 801-78** | (301) 801-7802 - (301) 801-7890 | 9 |
| (301) 801-79** | (301) 801-7905 - (301) 801-7997 | 35 |
US Phone Directory: (301) 801-7***
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