General Information about Area Code 240 | |
---|---|
Country | United States |
State / Province / Territory | Maryland |
Major City | Gaithersburg |
Time Zone | Eastern (UTC-05:00) |
Prefix | Primary City | County | Phone Type |
---|---|---|---|
240-553 | Brentwood | Prince Georges | Landline |
240-241 | Bethesda | Montgomery | Landline |
240-395 | Chevy Chase | Montgomery | Landline |
240-397 | Frederick | Frederick | Wireless |
240-473 | Greenbelt | Prince Georges | Landline |
240-318 | Andrews Air Force Base | Prince Georges | Landline |
240-390 | Ashton | Montgomery | Landline |
240-684 | College Park | Prince Georges | Landline |
240-218 | Nanjemoy | Charles | Landline |
240-289 | Temple Hills | Prince Georges | Landline |
240-459 | Laurel | Howard | Wireless |
240-512 | Greenbelt | Prince Georges | Landline |
240-833 | Bethesda | Montgomery | Landline |
240-417 | District Heights | Prince Georges | Wireless |
240-865 | Elkridge | Howard | Landline |
240-269 | Brentwood | Prince Georges | Landline |
240-445 | Chevy Chase | Montgomery | Wireless |
240-368 | Waldorf | Charles | Landline |
240-216 | Waldorf | Charles | Wireless |
240-632 | Gaithersburg | Montgomery | Landline |