Active Prefixes in Area Code 240
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 240-200-#### | Washington Zone 2 | Landline Numbers | Bandwidth.com Clec, ... |
| 240-201-#### | Washington | Landline Numbers | Peerless Network Of ... |
| 240-203-#### | Hagerstown | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-204-#### | Washington Zone 2 | Wireless Numbers | Cellco Partnership D... |
| 240-205-#### | Washington Zone 10 | Wireless Numbers | New Cingular Wireles... |
| 240-206-#### | Washington | Landline Numbers | Xo Maryland, Llc... |
| 240-207-#### | Damascus 236 | Landline Numbers | Cavalier East Llc - ... |
| 240-208-#### | La Plata | Landline Numbers | Peerless Network Of ... |
| 240-209-#### | Indian Head | Landline Numbers | Peerless Network Of ... |
| 240-210-#### | Waldorf | Wireless Numbers | New Cingular Wireles... |
| 240-212-#### | Oakland | Landline Numbers | Core Communications,... |
| 240-213-#### | Waldorf | Landline Numbers | Peerless Network Of ... |
| 240-214-#### | Washington | Landline Numbers | Peerless Network Of ... |
| 240-215-#### | Frederick | Landline Numbers | Telcove Operations, ... |
| 240-216-#### | Waldorf | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-217-#### | Hagerstown | Wireless Numbers | Omnipoint Communicat... |
| 240-218-#### | Nanjemoy | Landline Numbers | Peerless Network Of ... |
| 240-219-#### | Reston | Landline Numbers | Global Naps South, I... |
| 240-220-#### | Poolesville | Landline Numbers | Global Naps South, I... |
| 240-221-#### | Washington Zone 11 | Landline Numbers | Verizon Maryland, In... |
| 240-222-#### | Waldorf | Landline Numbers | Cavalier Telephone M... |
| 240-223-#### | Washington Zone 2 | Landline Numbers | Allegiance Telecom, ... |
| 240-224-#### | Gaithersburg | Wireless Numbers | Cellco Partnership D... |
| 240-225-#### | Frederick | Landline Numbers | Core Communications,... |
| 240-228-#### | Laurel | Landline Numbers | Verizon Maryland, In... |
| 240-229-#### | Waldorf | Landline Numbers | Broadwing Communicat... |
| 240-230-#### | Hughesville | Landline Numbers | Global Crossing Loca... |
| 240-231-#### | Hagerstown | Landline Numbers | Core Communications,... |
| 240-232-#### | Washington | Landline Numbers | Broadwing Communicat... |
| 240-233-#### | Tompkinsville | Landline Numbers | Teleport Communicati... |
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 | |