Active Prefixes in Area Code 240
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 240-613-#### | Not available. | Landline Numbers | Us Lec Of Maryland, ... |
| 240-615-#### | Beltsville | Landline Numbers | Metro Pcs, Inc.... |
| 240-616-#### | Reston | Landline Numbers | Mci Worldcom Communi... |
| 240-618-#### | Washington Zone 10 | Wireless Numbers | Cellco Partnership D... |
| 240-619-#### | Chevy Chase | Landline Numbers | Mci Worldcom Communi... |
| 240-620-#### | Rockville | Landline Numbers | Mci Worldcom Communi... |
| 240-621-#### | Kensington | Landline Numbers | Mci Worldcom Communi... |
| 240-624-#### | College Park | Landline Numbers | Verizon Maryland, In... |
| 240-625-#### | Hagerstown | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-626-#### | Frederick | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-627-#### | Washington Zone 11 | Landline Numbers | Global Crossing Loca... |
| 240-629-#### | Frederick | Landline Numbers | Verizon Maryland, In... |
| 240-630-#### | Washington Zone 2 | Landline Numbers | Bandwidth.com Clec, ... |
| 240-631-#### | Gaithersburg | Landline Numbers | Verizon Maryland, In... |
| 240-632-#### | Gaithersburg | Landline Numbers | Verizon Maryland, In... |
| 240-638-#### | Washington Zone 3 | Landline Numbers | Broadwing Communicat... |
| 240-640-#### | Waldorf | Wireless Numbers | Leap Wireless Intl, ... |
| 240-642-#### | Not available. | Landline Numbers | Tidalwave Telephone ... |
| 240-643-#### | Silver Spring | Wireless Numbers | Omnipoint Communicat... |
| 240-644-#### | Chevy Chase | Landline Numbers | Xo Maryland, Llc... |
| 240-645-#### | Chevy Chase | Landline Numbers | Xo Maryland, Llc... |
| 240-646-#### | Washington | Landline Numbers | Cavalier East Llc - ... |
| 240-650-#### | Cabin John | Landline Numbers | Infotelecom, Llc - D... |
| 240-651-#### | Frederick | Wireless Numbers | Halo Wireless Servic... |
| 240-652-#### | Washington | Landline Numbers | Xo Maryland, Llc... |
| 240-654-#### | Gaithersburg | Wireless Numbers | New Cingular Wireles... |
| 240-662-#### | Silver Spring | Landline Numbers | Verizon Maryland, In... |
| 240-667-#### | Landline Numbers | Global Crossing Loca... | |
| 240-668-#### | Damascus | Landline Numbers | Starpower Communicat... |
| 240-669-#### | Kensington | Landline Numbers | Comcast Phone Of Nor... |
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 | |