Area Code 301

All Information about Area Code 301
General Information about Area Code 301
Country United States
State / Province / Territory Maryland
Major City Rockville
Time Zone Eastern (UTC-05:00)

Active Prefixes in Area Code 301

Prefix Primary City County Phone Type
301-927 Riverdale Prince Georges Landline
301-547 Brentwood Prince Georges Landline
301-594 Bethesda Montgomery Landline
301-961 Bethesda Montgomery Landline
301-332 Silver Spring Montgomery Wireless
301-868 Andrews Air Force Base Prince Georges Landline
301-442 Laurel Prince Georges Wireless
301-673 Frederick Frederick Landline
301-443 Rockville Montgomery Landline
301-306 Hyattsville Prince Georges Landline
301-628 Brentwood Prince Georges Landline
301-493 Bethesda Montgomery Landline
301-765 Potomac Montgomery Landline
301-255 Rockville Montgomery Landline
301-943 Silver Spring Montgomery Wireless
301-292 Accokeek Prince Georges Landline
301-695 Frederick Frederick Landline
301-642 Chevy Chase Montgomery Wireless
301-820 Gaithersburg Montgomery Landline
301-243 Chevy Chase Montgomery Landline
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