| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (301) 520-50** | (301) 520-5000 - (301) 520-5098 | 44 |
| (301) 520-51** | (301) 520-5103 - (301) 520-5196 | 48 |
| (301) 520-52** | (301) 520-5201 - (301) 520-5299 | 37 |
| (301) 520-53** | (301) 520-5304 - (301) 520-5399 | 36 |
| (301) 520-54** | (301) 520-5400 - (301) 520-5498 | 38 |
| (301) 520-55** | (301) 520-5505 - (301) 520-5598 | 30 |
| (301) 520-56** | (301) 520-5600 - (301) 520-5688 | 34 |
| (301) 520-57** | (301) 520-5706 - (301) 520-5792 | 20 |
| (301) 520-58** | (301) 520-5802 - (301) 520-5899 | 36 |
| (301) 520-59** | (301) 520-5900 - (301) 520-5998 | 26 |
US Phone Directory: (301) 520-5***
Welcome to PhoneOwner.com
We are a premium source for residential and business telephone numbers and other contact information.
Our data is collected from government agencies, property records and other public records sources.