Active Prefixes in Area Code 301

Prefix Primary City Phone Type Company
301-941-#### Chevy Chase Landline Numbers Verizon Maryland, In...
301-942-#### Kensington Landline Numbers Verizon Maryland, In...
301-943-#### Silver Spring Wireless Numbers Cellco Partnership D...
301-944-#### Gaithersburg Landline Numbers Mcimetro Access Tran...
301-945-#### Washington Zone 11 Landline Numbers Mcimetro Access Tran...
301-946-#### Kensington Landline Numbers Verizon Maryland, In...
301-947-#### Gaithersburg Landline Numbers Verizon Maryland, In...
301-948-#### Gaithersburg Landline Numbers Verizon Maryland, In...
301-949-#### Kensington Landline Numbers Verizon Maryland, In...
301-951-#### Chevy Chase Landline Numbers Verizon Maryland, In...
301-952-#### Upper Marlboro Landline Numbers Verizon Maryland, In...
301-953-#### Laurel Landline Numbers Verizon Maryland, In...
301-955-#### Washington Landline Numbers Mcimetro Access Tran...
301-956-#### Rockville Landline Numbers Verizon Maryland, In...
301-957-#### Annapolis Junction Landline Numbers Mcimetro Access Tran...
301-960-#### Silver Spring Landline Numbers Mcimetro Access Tran...
301-961-#### Chevy Chase Landline Numbers Verizon Maryland, In...
301-962-#### Kensington Landline Numbers Verizon Maryland, In...
301-963-#### Gaithersburg Landline Numbers Verizon Maryland, In...
301-964-#### Myersville Wireless Numbers New Cingular Wireles...
301-965-#### Washington Landline Numbers Mcimetro Access Tran...
301-966-#### Washington Zone 12 Landline Numbers Mcimetro Access Tran...
301-967-#### District Heights Landline Numbers Verizon Maryland, In...
301-968-#### Bethesda Landline Numbers Mci Worldcom Communi...
301-969-#### Brunswick Landline Numbers Comcast Phone Of Nor...
301-970-#### Annapolis Landline Numbers Verizon Maryland, In...
301-971-#### Lanham Landline Numbers Starpower Communicat...
301-972-#### Gaithersburg Landline Numbers Verizon Maryland, In...
301-973-#### Not available. Landline Numbers Verizon Maryland, In...
301-974-#### Annapolis Junction Landline Numbers Starpower Communicat...
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Area Code 301 Introduction

Area Code:301
Country:United States
State/Province:Maryland - MD
Major City:Rockville
Time Zone:Eastern
Average property$188K
Average age 58 y/o
Average assets $75.3K
Population density 12,407 sq mi (32,133 km2)
Population 6,016,447
latitude Longitude:
37° 53′ N to 39° 43′ N / 75° 03′ W to 79° 29′ W
About 301 :
The 301 Area Code (or Area Code 301) is located in the state of MD. Area Code 301 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 2.89 million unique phone numbers and 12.2 million individuals near the city of Indian Head
Area code 301 was put into service. In 1991 area code 301 was split to form area code 410. In 1997 area codes 301 was overlaid with area code 240.
Major cities or places
Bethesda, MD>Bowie, MD>Chillum, MD>Clinton, MD>College Park, MD>Cumberland, MD>Fairland, MD>Fort Washington, MD>Frederick, MD>Gaithersburg, MD>Germantown, MD>Greenbelt, MD>Hagerstown, MD>Landover, MD>Montgomery Village, MD>North Bethesda, MD>North Laurel, MD>North Potomac, MD>Olney, MD>Oxon Hill-glassmanor, MD>Potomac, MD>Rockville, MD>Silver Spring, MD>South Laurel, MD>St. Charles, MD>Suitland, MD>Waldorf, MD>Wheaton-glenmont, MD>White Oak, MD