General Information about Area Code 301 | |
---|---|
Country | United States |
State / Province / Territory | Maryland |
Major City | Rockville |
Time Zone | Eastern (UTC-05:00) |
Prefix | Primary City | County | Phone Type |
---|---|---|---|
301-923 | Silver Spring | Montgomery | Wireless |
301-299 | Potomac | Montgomery | Landline |
301-940 | Silver Spring | Montgomery | Wireless |
301-938 | Silver Spring | Montgomery | Wireless |
301-662 | Frederick | Frederick | Landline |
301-762 | Rockville | Montgomery | Landline |
301-924 | Ashton | Montgomery | Landline |
301-694 | Frederick | Frederick | Landline |
301-838 | Rockville | Montgomery | Landline |
301-502 | Silver Spring | Montgomery | Wireless |
301-672 | Great Mills | Saint Marys | Wireless |
301-863 | Patuxent River | Saint Marys | Landline |
301-559 | Takoma Park | Montgomery | Landline |
301-240 | Gaithersburg | Montgomery | Landline |
301-563 | Takoma Park | Montgomery | Landline |
301-326 | Silver Spring | Montgomery | Wireless |
301-404 | Laurel | Prince Georges | Wireless |
301-522 | Rockville | Montgomery | Wireless |
301-737 | Patuxent River | Saint Marys | Landline |
301-607 | New Market | Frederick | Landline |