Active Prefixes in Area Code 301
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 301-354-#### | Washington Zone 10 | Landline Numbers | Teleport Communicati... |
| 301-355-#### | Gaithersburg | Landline Numbers | Verizon Maryland, In... |
| 301-356-#### | Annapolis Junction | Landline Numbers | Vdl, Inc. Dba Global... |
| 301-357-#### | Washington Zone 3 | Wireless Numbers | Cellco Partnership D... |
| 301-358-#### | McLean | Landline Numbers | Level 3 Communicatio... |
| 301-359-#### | Westernport | Landline Numbers | Verizon Maryland, In... |
| 301-360-#### | Frederick | Landline Numbers | Verizon Maryland, In... |
| 301-361-#### | Laurel | Landline Numbers | Tw Telecom Of Maryla... |
| 301-362-#### | Laurel | Landline Numbers | Verizon Maryland, In... |
| 301-363-#### | Damascus 240 | Landline Numbers | Level 3 Communicatio... |
| 301-364-#### | Reston | Landline Numbers | Mci Worldcom Communi... |
| 301-365-#### | Washington Zone 2 | Landline Numbers | Verizon Maryland, In... |
| 301-366-#### | Gaithersburg | Wireless Numbers | Sprint Spectrum L.p.... |
| 301-367-#### | Washington Zone 3 | Wireless Numbers | Cellco Partnership D... |
| 301-368-#### | Not available. | Landline Numbers | Verizon Maryland, In... |
| 301-369-#### | Laurel | Landline Numbers | Verizon Maryland, In... |
| 301-370-#### | Gaithersburg | Wireless Numbers | Sprint Spectrum L.p.... |
| 301-371-#### | Middletown | Landline Numbers | Verizon Maryland, In... |
| 301-372-#### | Brandywine | Landline Numbers | Verizon Maryland, In... |
| 301-373-#### | Hollywood | Landline Numbers | Verizon Maryland, In... |
| 301-374-#### | Waldorf | Landline Numbers | Verizon Maryland, In... |
| 301-375-#### | Indian Head | Landline Numbers | Verizon Maryland, In... |
| 301-376-#### | Laurel | Landline Numbers | Verizon Maryland, In... |
| 301-377-#### | Sterling | Landline Numbers | Comcast Phone Of Nor... |
| 301-378-#### | Frederick | Landline Numbers | Comcast Phone Of Nor... |
| 301-379-#### | Washington Zone 3 | Wireless Numbers | Sprint Spectrum L.p.... |
| 301-380-#### | Washington Zone 2 | Landline Numbers | Verizon Maryland, In... |
| 301-382-#### | Washington Zone 11 | Landline Numbers | Verizon Maryland, In... |
| 301-383-#### | Battery Park | Landline Numbers | Comcast Phone Of Nor... |
| 301-384-#### | Washington Zone 12 | Landline Numbers | Verizon Maryland, In... |
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 | |