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Area Code 240 - Baltimore, MD

Below is the information for Area Code 240
General Information for Area Code 240
Country United States
State/Province Maryland
Major City Baltimore
Time Zone Eastern

Phone directory of numbers beginning with Area Code 240 Prefixes

Prefix Primary City County Phone Type
240-352 La Plata, MD Charles Landline
240-353 Beltsville, MD Prince Georges Cell Number
240-354 Beltsville, MD Prince Georges Cell Number
240-355 Beltsville, MD Prince Georges Cell Number
240-356 Frederick, MD Frederick Landline
240-357 Frederick, MD Frederick Cell Number
240-358 Damascus, MD Montgomery Landline
240-359 Indian Head, MD Charles Landline
240-360 Laurel, MD Prince Georges Cell Number
240-361 Gaithersburg, MD Montgomery Landline
240-362 Cumberland, MD Allegany Landline
240-363 Kensington, MD Montgomery Landline
240-364 Gaithersburg, MD Montgomery Landline
240-365 Damascus, MD Montgomery Landline
240-366 Williamsport, MD Washington Landline
240-367 Frederick, MD Frederick Cell Number
240-368 Waldorf, MD Charles Landline
240-369 Mount Airy, MD Carroll Landline
240-370 Bethesda, MD Montgomery Cell Number
240-371 Mount Rainier, MD Prince Georges Landline
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Location Details

Area code is a type of numbering scheme used in telecommunication. It divides the territories of its member countries, the code is a three-digit code. The digits 0 and 1 applied for central office codes. Other digits were applied into geographic areas of the service territory.

  • 200: easily recognizable code (ERC)
  • 201: New Jersey
  • 202: Washington, D.C.
  • 203: Connecticut
    • and so on.

If you want to get more informatons of the areacode, Input an areacode into the above search area, get what you want.