| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (301) 237-80** | (301) 237-8007 - (301) 237-8057 | 3 |
| (301) 237-81** | (301) 237-8110 - (301) 237-8161 | 10 |
| (301) 237-82** | (301) 237-8213 - (301) 237-8291 | 12 |
| (301) 237-83** | (301) 237-8309 - (301) 237-8398 | 11 |
| (301) 237-84** | (301) 237-8400 - (301) 237-8496 | 9 |
| (301) 237-85** | (301) 237-8507 - (301) 237-8597 | 9 |
| (301) 237-86** | (301) 237-8618 - (301) 237-8696 | 13 |
| (301) 237-87** | (301) 237-8704 - (301) 237-8783 | 8 |
| (301) 237-88** | (301) 237-8817 - (301) 237-8891 | 6 |
| (301) 237-89** | (301) 237-8912 - (301) 237-8996 | 10 |
US Phone Directory: (301) 237-8***
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