| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (301) 929-90** | (301) 929-9000 - (301) 929-9097 | 61 |
| (301) 929-91** | (301) 929-9100 - (301) 929-9199 | 55 |
| (301) 929-92** | (301) 929-9200 - (301) 929-9299 | 65 |
| (301) 929-93** | (301) 929-9302 - (301) 929-9399 | 50 |
| (301) 929-94** | (301) 929-9400 - (301) 929-9499 | 50 |
| (301) 929-95** | (301) 929-9503 - (301) 929-9594 | 35 |
| (301) 929-96** | (301) 929-9600 - (301) 929-9699 | 49 |
| (301) 929-97** | (301) 929-9700 - (301) 929-9799 | 39 |
| (301) 929-98** | (301) 929-9888 - (301) 929-9888 | 1 |
| (301) 929-99** | (301) 929-9954 - (301) 929-9959 | 2 |
US Phone Directory: (301) 929-9***
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