Area Code 301 - Baltimore, MD

Below is the information for Area Code 301
General Information for Area Code 301
Country United States
State/Province Maryland
Major City Baltimore
Time Zone Eastern (UTC-05:00)

Phone directory of numbers beginning with Area Code 301 Prefixes

Prefix Primary City County Phone Type
301-345 Greenbelt, MD Prince Georges Landline
301-346 Silver Spring, MD Montgomery Cell Number
301-347 Chevy Chase, MD Montgomery Landline
301-348 Kensington, MD Montgomery Landline
301-349 Poolesville, MD Montgomery Landline
301-350 Capitol Heights, MD Prince Georges Landline
301-351 Silver Spring, MD Montgomery Cell Number
301-352 Bowie, MD Prince Georges Landline
301-353 Gaithersburg, MD Montgomery Landline
301-354 Rockville, MD Montgomery Landline
301-355 Gaithersburg, MD Montgomery Landline
301-356 Laurel, MD Prince Georges Landline
301-357 Mount Rainier, MD Prince Georges Cell Number
301-358 Upper Marlboro, MD Prince Georges Landline
301-359 Westernport, MD Allegany Landline
301-360 Frederick, MD Frederick Landline
301-361 Laurel, MD Prince Georges Landline
301-362 Laurel, MD Prince Georges Landline
301-363 Damascus, MD Montgomery Landline
301-364 Hyattsville, 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.