| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (301) 937-90** | (301) 937-9000 - (301) 937-9099 | 43 |
| (301) 937-91** | (301) 937-9108 - (301) 937-9199 | 41 |
| (301) 937-92** | (301) 937-9200 - (301) 937-9297 | 35 |
| (301) 937-93** | (301) 937-9300 - (301) 937-9398 | 48 |
| (301) 937-94** | (301) 937-9400 - (301) 937-9499 | 41 |
| (301) 937-95** | (301) 937-9500 - (301) 937-9597 | 33 |
| (301) 937-96** | (301) 937-9607 - (301) 937-9696 | 39 |
| (301) 937-97** | (301) 937-9731 - (301) 937-9798 | 12 |
| (301) 937-98** | (301) 937-9800 - (301) 937-9898 | 5 |
| (301) 937-99** | (301) 937-9971 - (301) 937-9971 | 1 |
US Phone Directory: (301) 937-9***
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