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Exchange Details

Line Type Land line, non-wireless service
Provider Name AT&T LOCAL - NY AT&T LOCAL
Cities in Area Code 301-821-0000

Annapolis Junction, Laurel, Washington

Metropolitan Statisitical Areas in Area Code 301

Washington, Arlington, Alexandria

Counties in Area Code 301

Prince George's

States / Provinces

Maryland

*Approximate area serviced by the 301 area code

Phone Number Blocks in the (301)-821 Exchange

Area Code and Exchange Number Block Line Type City Zip Codes
301-821- 0000-0 999 Wireless ANNAPOLIS JUNCTION 20707 20705 20701 20708
301-821- 1000-1 999 Wireless ANNAPOLIS JUNCTION 20707 20705 20701 20708
301-821- 2000-2 999 Wireless ANNAPOLIS JUNCTION 20707 20705 20701 20708
301-821- 3000-3 999 Wireless ANNAPOLIS JUNCTION 20707 20705 20701 20708
301-821- 4000-4 999 Land line, non-wireless service WASHINGTON 20707 20705 20701 20708
301-821- 5000-5 999 Wireless ANNAPOLIS JUNCTION 20707 20705 20701 20708
301-821- 6000-6 999 Wireless ANNAPOLIS JUNCTION 20707 20705 20701 20708
301-821- 7000-7 999 Wireless ANNAPOLIS JUNCTION 20707 20705 20701 20708
301-821- 8000-8 999 Land line, non-wireless service LAUREL 20707 20705 20701 20708
301-821- 9000-9 999 Land line, non-wireless service WASHINGTON 20707 20705 20701 20708
301-821- 0000-9999 Land line, non-wireless service WASHINGTON 20707 20705 20701 20708

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