| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (240) 344-00** | (240) 344-0010 - (240) 344-0098 | 20 |
| (240) 344-01** | (240) 344-0105 - (240) 344-0191 | 31 |
| (240) 344-02** | (240) 344-0207 - (240) 344-0298 | 42 |
| (240) 344-03** | (240) 344-0300 - (240) 344-0397 | 23 |
| (240) 344-04** | (240) 344-0432 - (240) 344-0494 | 7 |
| (240) 344-05** | (240) 344-0543 - (240) 344-0595 | 10 |
| (240) 344-06** | (240) 344-0604 - (240) 344-0698 | 19 |
| (240) 344-07** | (240) 344-0701 - (240) 344-0792 | 20 |
| (240) 344-08** | (240) 344-0810 - (240) 344-0889 | 21 |
| (240) 344-09** | (240) 344-0914 - (240) 344-0997 | 19 |
US Phone Directory: (240) 344-0***
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