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
240-246 Gaithersburg, MD Montgomery Landline
240-247 Mount Rainier, MD Prince Georges Landline
240-248 Ridge, MD Saint Marys Landline
240-249 Mechanicsville, MD Saint Marys Landline
240-250 Brandywine, MD Prince Georges Landline
240-251 Highfield, MD Washington Landline
240-252 Gaithersburg, MD Montgomery Landline
240-253 Mount Rainier, MD Prince Georges Landline
240-254 Hughesville, MD Charles Landline
240-255 Poolesville, MD Montgomery Landline
240-256 Leonardtown, MD Saint Marys Landline
240-257 Nanjemoy, MD Charles Landline
240-258 Ridge, MD Saint Marys Landline
240-260 Mount Rainier, MD Prince Georges Landline
240-262 Callaway, MD Saint Marys Cell Number
240-263 Bethesda, MD Montgomery Cell Number
240-264 Beltsville, MD Prince Georges Landline
240-265 Bethesda, MD Montgomery Cell Number
240-266 Mount Rainier, MD Prince Georges Landline
240-268 Rockville, MD Montgomery 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.