Area Code 301

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

Area Code 301 Prefixes

Prefix Primary City County Phone Type
301-414 Damascus Montgomery Landline
301-416 Williamsport Washington Landline
301-418 Frederick Frederick Landline
301-421 Silver Spring Montgomery Landline
301-432 Keedysville Washington Landline
301-447 Emmitsburg Frederick Landline
301-453 Kitzmiller Garrett Landline
301-462 Myersville Frederick Cell Number
301-463 Lonaconing Allegany Landline
301-465 Myersville Frederick Cell Number
301-471 Frederick Frederick Cell Number
301-472 Mechanicsville Saint Marys Landline
301-473 Frederick Frederick Landline
301-475 Leonardtown Saint Marys Landline
301-476 Silver Spring Montgomery Landline
301-478 Oldtown Allegany Landline
301-481 Leonardtown Saint Marys Cell Number
301-482 Damascus Montgomery Landline
301-483 Laurel Prince Georges Landline
301-487 Myersville Frederick Landline
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