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
240-200 Mount Rainier, MD Prince Georges Landline
240-201 Ridge, MD Saint Marys Landline
240-203 Hagerstown, MD Washington Cell Number
240-204 Bethesda, MD Montgomery Cell Number
240-205 Cabin John, MD Montgomery Cell Number
240-206 Glenn Dale, MD Prince Georges Landline
240-207 Damascus, MD Montgomery Landline
240-208 La Plata, MD Charles Landline
240-209 Indian Head, MD Charles Landline
240-210 Waldorf, MD Charles Cell Number
240-212 Oakland, MD Garrett Landline
240-213 Waldorf, MD Charles Landline
240-214 Mechanicsville, MD Saint Marys Landline
240-215 Frederick, MD Frederick Landline
240-216 Waldorf, MD Charles Cell Number
240-217 Hagerstown, MD Washington Cell Number
240-218 Nanjemoy, MD Charles Landline
240-220 Poolesville, MD Montgomery Landline
240-221 Rockville, MD Montgomery Landline
240-222 Waldorf, MD Charles 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.