Active Prefixes in Area Code 240

Prefix Primary City Phone Type Company
240-976-#### Information Provider Landline Numbers Baltimore-washington...
240-979-#### Cumberland Landline Numbers Level 3 Communicatio...
240-986-#### Nanjemoy Landline Numbers Xo Maryland, Llc...
240-988-#### Washington Zone 3 Wireless Numbers Sprint Spectrum L.p....
240-993-#### Indian Head Landline Numbers Xo Maryland, Llc...
240-994-#### Rockville Wireless Numbers Cellco Partnership D...
240-997-#### Silver Spring Wireless Numbers Cellco Partnership D...
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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