| Area Code | City |
|---|---|
| 1-667-205-#### | Baltimore |
| 1-667-206-#### | Towson |
| 1-667-207-#### | Baltimore |
| 1-667-208-#### | Baltimore |
| 1-667-209-#### | Baltimore |
| 1-667-210-#### | Baltimore |
| 1-667-212-#### | Baltimore |
| 1-667-213-#### | Baltimore |
| 1-667-214-#### | Baltimore |
| 1-667-216-#### | Baltimore |
| 1-667-217-#### | Baltimore |
| 1-667-218-#### | Baltimore |
| 1-667-219-#### | Baltimore |
| 1-667-224-#### | Baltimore |
| 1-667-225-#### | |
| 1-667-231-#### | Aberdeen |
| 1-667-234-#### | Baltimore |
| 1-667-239-#### | Baltimore |
| 1-667-253-#### | Salisbury |
| 1-667-303-#### | Baltimore |
| 1-667-305-#### | Pikesville |
| 1-667-307-#### | Crofton |
| 1-667-308-#### | Baltimore |
| 1-667-309-#### | Baltimore |
| 1-667-330-#### | Salisbury |
| 1-667-401-#### | Baltimore |
| 1-667-777-#### | |
| 1-667-801-#### | |
| 1-667-803-#### | Solomons |