Area Code 301
Area code 301 serves Maryland, including Silver Spring. It is listed as a geographic area code in United States.
Area Code 301 Summary
- Area code
- 301
- Region
- Maryland
- Country
- United States
- Major cities
- Silver Spring, Frederick, Rockville, Hagerstown
- Timezone
- ET
- Current local time
- ET: 4:09amET: 4:09am
- Type
- geographic
- Overlays
- 240, 227