The area code 301 is located in Aspen Hill, Maryland.
The 301 area code covers Aspen Hill, Maryland, a vibrant community nestled in Montgomery County. Established in 1947, this area code serves several notable cities and neighborhoods, including:
Aspen Hill is known for its diverse population and nearby landmarks, such as the Aspen Hill Shopping Center and the scenic Rock Creek Park. Did you know that Montgomery County, where Aspen Hill is located, ranks as one of the wealthiest counties in the United States? With its rich history and dynamic growth, area code 301 connects residents to a thriving suburban life just outside of Washington, D.C.