Establish a local presence by purchasing a phone number in area code 301. Phone numbers in area code 301 are associated with the state of Maryland. There are currently at least 28 U.S. cities and 152 U.S. ZIP Codes associated with this telephone area code. In addition, there are at least 800 NXX's (the three-digit code that makes up digits 4-6 of a standard 10-digit U.S. phone number) available for use along with area code 301.
Phone numbers in area code 301 are associated with the state of Maryland.
The 301 area code currently has at least 28 cities in Maryland associated with it: Aspen Hill, MD; North 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; South Laurel, MD; North Potomac, MD; Olney, MD; Potomac, MD; Rockville, MD; Silver Spring, MD; South Laurel, MD; Saint Charles, MD; Suitland, MD; Waldorf, MD; and White Oak, MD.
There are at least 152 U.S. ZIP codes associated with the area code 301 at this time (view all here).
The ZIP Code 20906 is the ZIP Code most frequently connected to the 301 area code. The 20906 ZIP Code is primarily associated with Montgomery County in the state of Maryland.
There are 12 counties associated with the 301 area code: Charles County; Montgomery County; Prince George's; Anne Arundel; Howard County; Washington County; Frederick County; Garrett County; St. Mary's County; Allegany County; Calvert County; Baltimore (city).
An NXX, which is also known as the a "central office code" or an "exchange", is the three-digit sequence that comprises digits 4-6 of a standard 10-digit U.S. phone number. The NXX is the second main part of a phone number that comes directly after the area code, e.g. (301)-806-xxxx.
Detailed information about area code 301 phone numbers. Establish a Maryland presence with a 301 number.