Active Prefixes in Area Code 301

Prefix Primary City Phone Type Company
301-847-#### Washington Zone 12 Landline Numbers Verizon Maryland, In...
301-848-#### Waldorf Wireless Numbers Cellco Partnership D...
301-849-#### Oakland Landline Numbers New Frontiers Teleco...
301-850-#### McLean Landline Numbers Level 3 Communicatio...
301-851-#### Hyattsville Landline Numbers Verizon Maryland, In...
301-852-#### Hyattsville Landline Numbers Verizon Maryland, In...
301-853-#### Hyattsville Landline Numbers Verizon Maryland, In...
301-854-#### Columbia Landline Numbers Verizon Maryland, In...
301-855-#### Washington 238 Zone 15 Landline Numbers Verizon Maryland, In...
301-856-#### Clinton Landline Numbers Verizon Maryland, In...
301-857-#### Clear Spring Landline Numbers Core Communications,...
301-858-#### Washington 238 Zone 14 Landline Numbers Verizon Maryland, In...
301-859-#### Oakland Landline Numbers Level 3 Communicatio...
301-860-#### Bowie Landline Numbers Verizon Maryland, In...
301-861-#### Waldorf Landline Numbers Level 3 Communicatio...
301-862-#### Lexington Park Landline Numbers Verizon Maryland, In...
301-863-#### Lexington Park Landline Numbers Verizon Maryland, In...
301-864-#### Hyattsville Landline Numbers Verizon Maryland, In...
301-865-#### New Market Landline Numbers Verizon Maryland, In...
301-866-#### Lexington Park Landline Numbers Verizon Maryland, In...
301-867-#### Washington Landline Numbers Mcimetro Access Tran...
301-868-#### Clinton Landline Numbers Verizon Maryland, In...
301-869-#### Gaithersburg Landline Numbers Verizon Maryland, In...
301-870-#### Waldorf Landline Numbers Verizon Maryland, In...
301-871-#### Rockville Landline Numbers Verizon Maryland, In...
301-872-#### Ridge Landline Numbers Verizon Maryland, In...
301-873-#### Silver Spring Wireless Numbers Cellco Partnership D...
301-874-#### Adamstown Landline Numbers Verizon Maryland, In...
301-875-#### Annapolis Junction Wireless Numbers Cellco Partnership D...
301-876-#### Cumberland Landline Numbers Level 3 Communicatio...
Prev 1 ...20 21 22 23 24 ...26 Next

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