Area codes 301 and 240 are telephone area codes in the North American Numbering Plan (NANP) for the western part of the U.S. state of Maryland . The numbering plan area (NPA) comprises Maryland's portion of the Greater Washington, D.C. metro area, portions of southern Maryland, along with rural western Maryland.
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Area code 240 is located in western Maryland and covers Germantown, Silver Spring, Waldorf, Frederick, and Rockville. It is an overlay for area code 301 and ...
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Area code 240 is in Maryland (MD), USA and some of the main locations covered are Germantown, Rockville, Gaithersburg, .. (jump to city list below).
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Phone numbers starting with 240 belong to landlines from the Maryland (United States) area. Below you will find a list of the most recent reports and other ...
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Area code 240 is an area code that covers Western Maryland, specifically the part of Maryland that is included in the Washington DC metro area.
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Major cities or places in Maryland within area code 240 include: Area codes 240 and 301 serve central and western Maryland including Bethesda, College Park, ...
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Area code 240 serves the state of Maryland. This area code was assigned on June 21st, 1996. On June 1st, 1997 it went into service. 240 is a General Purpose ...
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The carriers providing phone numbers in this area code are: 365 Wireless, AT&T Local, Allegiance Telecom, Atx Telecommunications Services, Ltd, Baltimore- ...
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240 is an area code located in the state of Maryland, US. The largest city it serves is Germantown. Location, time zone and map of the 240 area code ...
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Profile and Map for Area Code 240 in Maryland.
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The 240 area code is located in the state of Maryland, and according to Intelius data, covers roughly 383,737 phone numbers. Silver Spring is the largest ...
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Area code 240 serves parts of Maryland, including Cumberland, Frederick, Hagerstown, and Gaithersburg. It was created in 1997 as an overlay to area code 301.
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22 Aug 2022 · Overlay area codes were a new concept back then and were met with resistance due to the requirement for ten-digit dialing versus seven-digit ...
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Area codes 301 and 240 are telephone area codes in the North American Numbering Plan (NANP) for the western part of the U.S. state of Maryland.
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1 Sept 2022 · Area Code 240 covers 12 Counties · ALLEGANY, MD · ANNE ARUNDEL, MD · BALTIMORE, MD · CALVERT, MD · CHARLES, MD · FREDERICK, MD · GARRETT, MD · HOWARD, ...
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