| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (301) 937-80** | (301) 937-8003 - (301) 937-8098 | 54 |
| (301) 937-81** | (301) 937-8100 - (301) 937-8198 | 46 |
| (301) 937-82** | (301) 937-8200 - (301) 937-8299 | 64 |
| (301) 937-83** | (301) 937-8300 - (301) 937-8399 | 60 |
| (301) 937-84** | (301) 937-8400 - (301) 937-8499 | 47 |
| (301) 937-85** | (301) 937-8500 - (301) 937-8598 | 51 |
| (301) 937-86** | (301) 937-8600 - (301) 937-8699 | 61 |
| (301) 937-87** | (301) 937-8707 - (301) 937-8798 | 50 |
| (301) 937-88** | (301) 937-8800 - (301) 937-8899 | 54 |
| (301) 937-89** | (301) 937-8900 - (301) 937-8996 | 50 |
US Phone Directory: (301) 937-8***
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