Active Prefixes in Area Code 301
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 301-324-#### | Capitol Heights | Landline Numbers | Verizon Maryland, In... |
| 301-325-#### | Washington Zone 3 | Wireless Numbers | Cellco Partnership D... |
| 301-326-#### | Washington Zone 3 | Wireless Numbers | Omnipoint Communicat... |
| 301-327-#### | Washington 238 Zone 15 | Landline Numbers | Comcast Phone Of Nor... |
| 301-328-#### | Washington Zone 3 | Landline Numbers | Comcast Phone Of Nor... |
| 301-329-#### | Ashton 238 | Landline Numbers | Cavalier Telephone M... |
| 301-330-#### | Gaithersburg | Landline Numbers | Verizon Maryland, In... |
| 301-331-#### | Hagerstown | Wireless Numbers | New Cingular Wireles... |
| 301-332-#### | Washington Zone 3 | Wireless Numbers | New Cingular Wireles... |
| 301-333-#### | Capitol Heights | Landline Numbers | Verizon Maryland, In... |
| 301-334-#### | Oakland | Landline Numbers | Verizon Maryland, In... |
| 301-335-#### | Washington Zone 2 | Wireless Numbers | New Cingular Wireles... |
| 301-336-#### | Capitol Heights | Landline Numbers | Verizon Maryland, In... |
| 301-337-#### | Gaithersburg | Landline Numbers | Mci Worldcom Communi... |
| 301-338-#### | Cumberland | Landline Numbers | Idt America Corp - M... |
| 301-339-#### | Washington Zone 10 | Landline Numbers | Cavalier Telephone M... |
| 301-340-#### | Washington Zone 10 | Landline Numbers | Verizon Maryland, In... |
| 301-341-#### | Hyattsville | Landline Numbers | Verizon Maryland, In... |
| 301-342-#### | Patuxent River | Landline Numbers | Verizon Maryland, In... |
| 301-343-#### | Silver Spring | Wireless Numbers | Sprint Spectrum L.p.... |
| 301-344-#### | College Park | Landline Numbers | Verizon Maryland, In... |
| 301-345-#### | College Park | Landline Numbers | Verizon Maryland, In... |
| 301-346-#### | Washington Zone 3 | Wireless Numbers | New Cingular Wireles... |
| 301-347-#### | Washington Zone 2 | Landline Numbers | Verizon Maryland, In... |
| 301-348-#### | Not available. | Landline Numbers | Mci Worldcom Communi... |
| 301-349-#### | Poolesville | Landline Numbers | Verizon Maryland, In... |
| 301-350-#### | Capitol Heights | Landline Numbers | Verizon Maryland, In... |
| 301-351-#### | Washington Zone 3 | Wireless Numbers | Cellco Partnership D... |
| 301-352-#### | Bowie | Landline Numbers | Verizon Maryland, In... |
| 301-353-#### | Washington Zone 10 | 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 | |