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
301-304 Frederick, MD Frederick Landline
301-305 Frederick, MD Frederick Cell Number
301-306 Lanham, MD Prince Georges Landline
301-307 College Park, MD Prince Georges Landline
301-308 Greenbelt, MD Prince Georges Cell Number
301-309 Rockville, MD Montgomery Landline
301-310 Columbia, MD Howard Landline
301-312 Oxon Hill, MD Prince Georges Cell Number
301-313 Greenbelt, MD Prince Georges Landline
301-314 Hyattsville, MD Prince Georges Landline
301-315 Rockville, MD Montgomery Landline
301-316 Temple Hills, MD Prince Georges Landline
301-317 Laurel, MD Prince Georges Landline
301-318 Bethesda, MD Montgomery Cell Number
301-319 Rockville, MD Montgomery Landline
301-320 Glen Echo, MD Montgomery Landline
301-321 Rockville, MD Montgomery Landline
301-322 Hyattsville, MD Prince Georges Landline
301-323 Laurel, MD Prince Georges Landline
301-324 Capitol Heights, 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.