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Exchange Details

Line Type Land line, non-wireless service
Provider Name TELEPORT COMMUNICATIONS GROUP - DC TELEPORT COMMUNICATIONS GROUP AT&T Inc
Cities in Area Code 301-539-0000

Damascus, Herndon, La Plata, Silver Spring, Washington

Metropolitan Statisitical Areas in Area Code 301

Washington, Arlington, Alexandria

Counties in Area Code 301

Charles

States / Provinces

Maryland

*Approximate area serviced by the 301 area code

Phone Number Blocks in the (301)-539 Exchange

Area Code and Exchange Number Block Line Type City Zip Codes
301-539- 0000-0 999 Land line, non-wireless service WASHINGTON 20646 20602 20603 20611
301-539- 1000-1 999 Land line, non-wireless service DAMASCUS 20646 20602 20603 20611
301-539- 4000-4 999 Land line, non-wireless service LA PLATA 20646 20602 20603 20611
301-539- 5000-5 999 Land line, non-wireless service SILVER SPRING 20646 20602 20603 20611
301-539- 7000-7 999 Land line, non-wireless service LA PLATA 20646 20602 20603 20611
301-539- 8000-8 999 Land line, non-wireless service HERNDON 20646 20602 20603 20611
301-539- 9000-9 999 Land line, non-wireless service WASHINGTON 20646 20602 20603 20611
301-539- 0000-9999 Land line, non-wireless service WASHINGTON 20646 20602 20603 20611

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