Area Code 301

Area Code 301 is in Maryland

Other Maryland Area Codes
240, 301, 410, 443, 667

Maryland Area Code Overlays
(301 and 240) - (410 and 443 and 667)


Area Code 301 History:

01/01/1947
Area code 301 was put into service. In 1991 area code 301 was split to form area code 410. In 1997 area codes 301 was overlaid with area code 240.

Counties in Maryland within area code 301 include:

Allegany County, Anne Arundel County, Calvert County, Charles County, Frederick County, Garrett County, Howard County, Montgomery County, Prince Georges County, Saint Marys County, and Washington County.

Major cities or places in Maryland within area code 301 include:

Area codes 240 and 301 serve central and western Maryland including Bethesda, College Park, Frederick, Gaithersburg, Hagerstown, Landover, Rockville, Silver Springs and Weaton-Glenmont in addition to many smaller communities northwest of Washington, D.C.





Area Code Look Up - Select An Area Code To Find Its location





Related pages


area code lookup 646virginia afbsugarland tx zip codewhat area code is 817gagetown michiganwhere is area code 408 in californiazip code 40165find dialling code locationdildo newfoundland419 phone area code616 area code locationlaredo texas area codelongmont co area code902 area code in canadawhere is area code 321 in floridawhat city area code is 413new york country code847 area cpdeia area codeswhere is orient ohiotx area code639 country coderadford area codealvin texas area codestate of quintana roointernational dialling code 009riverwoods ilthomasville puerto ricoarea code killeen txaspen area codearea code 647 time zonefontanelle nebraskaarea code 281 citiesgallipolis ohio zip codetorrance time zoneculiacan area codelaughlin nv area codearea code for michiganithica ny zip codecartersville ga time zonewhere is the 425 area codezip code for springfield palake kiowa tx zip code989 areacodewhat area code is 561 in floridawinters tx zip codezip code for decatur ilsan juan country code873 area codehow do i dial ireland from ukfranklin kentucky time zonepikeville ky area codeallston ma area codewhat area code is 714what is ohio area codeeldred ny872 area code chicagoauburn maine area codewhere is area code 526area codes in illinois1-407 area code302 area code cityeastview kentuckyceres area code317 area code time zonewhat area code 862michigan phone prefixeskenedy tx area codereno texas zip codemcintosh south dakotaarea codes pennsylvaniaphoning uk from australiawhich country code is 917