Active Prefixes in Area Code 240
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 240-670-#### | Washington Zone 3 | Landline Numbers | Rnk, Inc.... |
| 240-671-#### | Washington Zone 2 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-672-#### | Rockville | Wireless Numbers | Cellco Partnership D... |
| 240-674-#### | Frederick | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-675-#### | Myersville | Wireless Numbers | New Cingular Wireles... |
| 240-676-#### | Silver Spring | Wireless Numbers | Cellco Partnership D... |
| 240-678-#### | Silver Spring | Wireless Numbers | Cellco Partnership D... |
| 240-681-#### | Not available. | Landline Numbers | Atx Telecommunicatio... |
| 240-682-#### | Waldorf | Landline Numbers | Starpower Communicat... |
| 240-683-#### | Gaithersburg | Landline Numbers | Verizon Maryland, In... |
| 240-684-#### | College Park | Landline Numbers | Verizon Maryland, In... |
| 240-685-#### | Landline Numbers | Global Crossing Loca... | |
| 240-686-#### | Gaithersburg | Landline Numbers | Verizon Maryland, In... |
| 240-687-#### | Silver Spring | Wireless Numbers | Cellco Partnership D... |
| 240-688-#### | Silver Spring | Wireless Numbers | Cellco Partnership D... |
| 240-691-#### | Hyattsville | Landline Numbers | Global Crossing Loca... |
| 240-694-#### | Rockville | Landline Numbers | Verizon Maryland, In... |
| 240-695-#### | Temple Hills | Landline Numbers | Verizon Maryland, In... |
| 240-696-#### | McLean | Landline Numbers | Level 3 Communicatio... |
| 240-699-#### | Adamstown | Landline Numbers | Verizon Maryland, In... |
| 240-701-#### | Silver Spring | Wireless Numbers | Leap Wireless Intl, ... |
| 240-704-#### | Washington Zone 3 | Wireless Numbers | Leap Wireless Intl, ... |
| 240-705-#### | Chevy Chase | Wireless Numbers | Leap Wireless Intl, ... |
| 240-706-#### | Chevy Chase | Wireless Numbers | Leap Wireless Intl, ... |
| 240-707-#### | Hagerstown | Wireless Numbers | New Cingular Wireles... |
| 240-708-#### | Columbia | Landline Numbers | Level 3 Communicatio... |
| 240-712-#### | Columbia | Wireless Numbers | Cellco Partnership D... |
| 240-713-#### | Beltsville | Landline Numbers | Peerless Network Of ... |
| 240-715-#### | Washington Zone 10 | Landline Numbers | Global Crossing Loca... |
| 240-718-#### | Washington | Landline Numbers | Xo Maryland, Llc... |
Area Code 240 Introduction
| Area Code: | 240 |
| Country: | United States |
| State/Province: | Maryland - MD |
| Major City: | Gaithersburg |
| Time Zone: | Eastern |
| Average property | $1.87M |
| Average age | 62 y/o |
| Average assets | $229K |
| Population density | 12,407 sq mi (32,133 km2) |
| Population | 6,016,447 |
| latitude Longitude: | |
| 37° 53′ N to 39° 43′ N / 75° 03′ W to 79° 29′ W | |
| About 240 : | |
| The 240 Area Code (or Area Code 240) is located in the state of MD. Area Code 240 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 765 thousand unique phone numbers and 1.62 million individuals near the city of Bethesda Area code 240 was put into service. Area code 240 is an overlay of area code 301. |
|
| Major cities or places | |
| Bethesda, MD>Bowie, MD>Chillum, MD>Clinton, MD>College Park, MD>Cumberland, MD>Fairland, MD>Fort Washington, MD>Frederick, MD>Gaithersburg, MD>Germantown, MD>Greenbelt, MD>Hagerstown, MD>Landover, MD>Montgomery Village, MD>North Bethesda, MD>North Laurel, MD>North Potomac, MD>Olney, MD>Oxon Hill-glassmanor, MD>Potomac, MD>Rockville, MD>Silver Spring, MD>South Laurel, MD>St. Charles, MD>Suitland, MD>Waldorf, MD>Wheaton-glenmont, MD>White Oak, MD | |