Active Prefixes in Area Code 301

Prefix Primary City Phone Type Company
301-232-#### Sandy Spring Landline Numbers Mcimetro Access Tran...
301-233-#### Silver Spring Wireless Numbers Cellco Partnership D...
301-234-#### Landline Numbers Verizon Maryland, In...
301-235-#### Washington Landline Numbers Mcimetro Access Tran...
301-236-#### Silver Spring Landline Numbers Verizon Maryland, In...
301-237-#### Washington Zone 3 Wireless Numbers Sprint Spectrum L.p....
301-238-#### Temple Hills Landline Numbers Verizon Maryland, In...
301-239-#### Hyattsville Landline Numbers Verizon Maryland, In...
301-240-#### Gaithersburg Landline Numbers Verizon Maryland, In...
301-241-#### Highfield Landline Numbers Verizon Maryland, In...
301-242-#### Washington Landline Numbers Mcimetro Access Tran...
301-243-#### Bethesda Landline Numbers Verizon Maryland, In...
301-244-#### Rockville Landline Numbers Telcove Operations, ...
301-245-#### Bittinger Landline Numbers Verizon Maryland, In...
301-246-#### Nanjemoy Landline Numbers Verizon Maryland, In...
301-247-#### Beltsville Wireless Numbers New Cingular Wireles...
301-248-#### Landline Numbers Verizon Maryland, In...
301-249-#### Upper Marlboro Landline Numbers Verizon Maryland, In...
301-250-#### Rockville Landline Numbers Mcimetro Access Tran...
301-251-#### Rockville Landline Numbers Verizon Maryland, In...
301-252-#### Gaithersburg Wireless Numbers Sprint Spectrum L.p....
301-253-#### Damascus 236 Landline Numbers Verizon Maryland, In...
301-254-#### Washington Zone 3 Wireless Numbers Sprint Spectrum L.p....
301-255-#### Washington Zone 11 Landline Numbers Verizon Maryland, In...
301-256-#### Beltsville Landline Numbers Mcimetro Access Tran...
301-257-#### Washington Zone 3 Wireless Numbers Sprint Spectrum L.p....
301-258-#### Washington Zone 10 Landline Numbers Verizon Maryland, In...
301-259-#### Tompkinsville Landline Numbers Verizon Maryland, In...
301-260-#### Ashton 236 Landline Numbers Verizon Maryland, In...
301-261-#### Washington 238 Zone 14 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