Active Prefixes in Area Code 240
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 240-330-#### | Washington Zone 2 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-331-#### | Washington Zone 3 | Landline Numbers | Global Naps South, I... |
| 240-332-#### | Tompkinsville | Landline Numbers | Global Naps South, I... |
| 240-333-#### | Washington Zone 2 | Landline Numbers | Cavalier East Llc - ... |
| 240-334-#### | Landline Numbers | Global Crossing Loca... | |
| 240-335-#### | Herndon | Landline Numbers | Cavalier Telephone M... |
| 240-336-#### | Washington Zone 2 | Landline Numbers | Core Communications,... |
| 240-337-#### | Reston | Landline Numbers | Global Naps South, I... |
| 240-338-#### | Washington Zone 3 | Wireless Numbers | Cellco Partnership D... |
| 240-339-#### | Washington | Landline Numbers | Cavalier East Llc - ... |
| 240-340-#### | Washington Zone 2 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-341-#### | Buckeystown | Landline Numbers | Mci Worldcom Communi... |
| 240-342-#### | Ashton 236 | Landline Numbers | Starpower Communicat... |
| 240-343-#### | Hancock | Wireless Numbers | Cellco Partnership D... |
| 240-344-#### | Frederick | Wireless Numbers | New Cingular Wireles... |
| 240-345-#### | Ashton 238 | Landline Numbers | Level 3 Communicatio... |
| 240-346-#### | Waldorf | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-347-#### | Hagerstown | Landline Numbers | Bandwidth.com Clec, ... |
| 240-348-#### | McLean | Landline Numbers | Level 3 Communicatio... |
| 240-349-#### | La Plata | Landline Numbers | Global Crossing Loca... |
| 240-350-#### | Washington Zone 3 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-351-#### | Washington Zone 3 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-352-#### | La Plata | Landline Numbers | Global Naps South, I... |
| 240-353-#### | Washington Zone 3 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-354-#### | Washington Zone 3 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-355-#### | Washington Zone 3 | Wireless Numbers | Sprint Spectrum L.p.... |
| 240-356-#### | Myersville | Landline Numbers | Level 3 Communicatio... |
| 240-357-#### | Frederick | Wireless Numbers | Cellco Partnership D... |
| 240-358-#### | Damascus 236 | Landline Numbers | Global Naps South, I... |
| 240-359-#### | Indian Head | Landline Numbers | Global Naps South, I... |
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 | |