HomeArea CodesMaryland — 301301-339

☎ 301-339-... serviced by Cavalier Telephone Mid-atlantic, Rockville, MD

Numbers beginning with 301-339

Area code 301-339 is assigned to Rockville, MD.

Area code 301-339 is assigned to Rockville, MD.

Main city: Rockville
Timezone: Eastern
Phone type: Landline
Operator: Cavalier Telephone Mid-atlantic

Rockville, a city located in the central region of Montgomery County, Maryland. It is the county seat and is a major incorporated city of Montgomery County and forms part of the Baltimore-Washington Metropolitan Area. The 2010 United States Census tabulated the Rockville's population at 61,209, making it the third largest incorporated city in Maryland, behind Baltimore and Frederick. Rockville is the largest incorporated city in Montgomery County, Maryland, although the nearby census-designated place of Germantown is more populous. source

North American area codes 240 and 301 are telephone area codes for the western half of Maryland. They serve Maryland's portion of the Greater Washington, D.C. metro area, portions of southern Maryland, and all points northwest of Washington. This includes the communities of Cumberland, Frederick, Hagerstown, and Gaithersburg. source


Click here to check your requested number 301-339-...

Phone number full length is 10 digits: (301) 339-xxxx

International format length is 11 digits: +1 (301) 339-xxxx

Number can be also written as:301-339, +1-301-339, 001301339

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