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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
301-818 Waldorf, MD Charles Landline
301-819 Silver Spring, MD Montgomery Cell Number
301-820 Gaithersburg, MD Montgomery Landline
301-821 Laurel, MD Prince Georges Landline
301-822 Mount Rainier, MD Prince Georges Landline
301-823 Mount Rainier, MD Prince Georges Landline
301-824 Smithsburg, MD Washington Landline
301-825 Rockville, MD Montgomery Landline
301-826 Lexington Park, MD Saint Marys Landline
301-827 Bethesda, MD Montgomery Landline
301-828 Bethesda, MD Montgomery Landline
301-829 Mount Airy, MD Carroll Landline
301-830 Silver Spring, MD Montgomery Landline
301-831 Adamstown, MD Frederick Landline
301-832 Mount Rainier, MD Prince Georges Landline
301-833 Glenn Dale, MD Prince Georges Landline
301-834 Brunswick, MD Frederick Landline
301-836 Temple Hills, MD Prince Georges Landline
301-837 Hyattsville, MD Prince Georges Landline
301-838 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.