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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
240-456 Laurel, MD Prince Georges Landline
240-457 Frederick, MD Frederick Cell Number
240-458 Waldorf, MD Charles Cell Number
240-459 Laurel, MD Prince Georges Cell Number
240-460 Silver Spring, MD Montgomery Cell Number
240-461 Silver Spring, MD Montgomery Cell Number
240-462 Beltsville, MD Prince Georges Cell Number
240-463 Silver Spring, MD Montgomery Cell Number
240-464 Chevy Chase, MD Montgomery Landline
240-465 Mount Rainier, MD Prince Georges Landline
240-466 Mechanicsville, MD Saint Marys Cell Number
240-467 Oxon Hill, MD Prince Georges Landline
240-468 Mount Rainier, MD Prince Georges Cell Number
240-469 Hagerstown, MD Washington Cell Number
240-470 Laurel, MD Prince Georges Cell Number
240-471 Silver Spring, MD Montgomery Landline
240-472 Silver Spring, MD Montgomery Cell Number
240-473 College Park, MD Prince Georges Landline
240-475 Silver Spring, MD Montgomery Cell Number
240-476 Silver Spring, MD Montgomery Cell Number
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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.