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Area Code 240 Prefixes

Prefixes
240-256-XXXX
City
Washington
County
District of Columbia
Phone Type
Landline Numbers
Prefixes
240-257-XXXX
City
Nanjemoy
County
Charles
Phone Type
Landline Numbers
Prefixes
240-258-XXXX
City
McLean
County
Fairfax
Phone Type
Landline Numbers
Prefixes
240-260-XXXX
City
County
Phone Type
Landline Numbers
Prefixes
240-262-XXXX
City
Washington
County
District of Columbia
Phone Type
Wireless Numbers
Prefixes
240-263-XXXX
City
Washington Zone 2
County
Montgomery
Phone Type
Wireless Numbers
Prefixes
240-264-XXXX
City
Beltsville
County
Prince Georges
Phone Type
Landline Numbers
Prefixes
240-265-XXXX
City
Washington Zone 2
County
Montgomery
Phone Type
Wireless Numbers
Prefixes
240-266-XXXX
City
Reston
County
Fairfax
Phone Type
Landline Numbers
Prefixes
240-268-XXXX
City
Washington Zone 10
County
Montgomery
Phone Type
Landline Numbers
Prefixes
240-269-XXXX
City
Reston
County
Fairfax
Phone Type
Landline Numbers
Prefixes
240-270-XXXX
City
Waldorf
County
Charles
Phone Type
Wireless Numbers
Prefixes
240-272-XXXX
City
Washington Zone 2
County
Montgomery
Phone Type
Wireless Numbers
Prefixes
240-275-XXXX
City
Grantsville
County
Garrett
Phone Type
Landline Numbers
Prefixes
240-276-XXXX
City
Washington Zone 10
County
Montgomery
Phone Type
Landline Numbers
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Area Code 240 Information

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 History

Area code 240 was put into service. Area code 240 is an overlay of area code 301.

There are other places with the same area code 240:

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

$1.87M
Average property valuation
The average home value is $1.87M.
62 y/o
Average Age
The average resident's age is 62 y/o.
$229K
Residents' average wealth
Income average is $229K.        
6,016,447
Maryland - MD Population
Population in Area Code 240: 6,016,447.
Maryland - MD
Latitude: 37° 53′ N to 39° 43′ N Longitude: 75° 03′ W to 79° 29′ W
Eastern 20:10:14
Time zone
Time zone in Area Code 240: Eastern 20:10:14.