Active Prefixes in Area Code 301

Prefix Primary City Phone Type Company
301-385-#### Washington Zone 2 Wireless Numbers New Cingular Wireles...
301-386-#### Hyattsville Landline Numbers Verizon Maryland, In...
301-387-#### Oakland Landline Numbers Verizon Maryland, In...
301-388-#### Washington Zone 12 Landline Numbers Verizon Maryland, In...
301-389-#### Laurel Landline Numbers Tw Telecom Of Maryla...
301-390-#### Upper Marlboro Landline Numbers Verizon Maryland, In...
301-391-#### Damascus 236 Landline Numbers Verizon Maryland, In...
301-392-#### La Plata Landline Numbers Verizon Maryland, In...
301-393-#### Hagerstown Landline Numbers Verizon Maryland, In...
301-394-#### Washington Zone 3 Landline Numbers Verizon Maryland, In...
301-395-#### Laurel 238 Wireless Numbers Cellco Partnership D...
301-396-#### Waldorf Landline Numbers Verizon Maryland, In...
301-397-#### College Park Landline Numbers Verizon Maryland, In...
301-398-#### Washington Zone 10 Landline Numbers Verizon Maryland, In...
301-399-#### Waldorf Wireless Numbers Sprint Spectrum L.p....
301-400-#### Not available. Landline Numbers Verizon Maryland, In...
301-401-#### Frederick Wireless Numbers New Cingular Wireles...
301-402-#### Washington Zone 2 Landline Numbers Verizon Maryland, In...
301-403-#### Hyattsville Landline Numbers Verizon Maryland, In...
301-404-#### Washington Zone 3 Wireless Numbers Sprint Spectrum L.p....
301-405-#### Chevy Chase Landline Numbers Paetec Communication...
301-406-#### Washington Zone 2 Wireless Numbers Usa Mobility Wireles...
301-407-#### Gaithersburg Landline Numbers Verizon Maryland, In...
301-408-#### Washington Zone 3 Landline Numbers Verizon Maryland, In...
301-409-#### Silver Spring Wireless Numbers Usa Mobility Wireles...
301-412-#### Washington Zone 2 Wireless Numbers New Cingular Wireles...
301-413-#### Washington Zone 11 Landline Numbers Verizon Maryland, In...
301-414-#### Damascus 236 Landline Numbers Verizon Maryland, In...
301-415-#### Washington Zone 3 Landline Numbers Verizon Maryland, In...
301-416-#### Myersville Landline Numbers Verizon Maryland, In...
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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