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Exchange Details

Line Type Wireless
Provider Name NEW CINGULAR WIRELESS PCS LLC - DC AT&T MOBILITY Cingular Wireless LLC
Cities in Area Code 443-204-0000

Columbia, Owings Mills

Metropolitan Statisitical Areas in Area Code 443

Baltimore, Towson

Counties in Area Code 443

Baltimore

States / Provinces

Maryland

*Approximate area serviced by the 443 area code

Phone Number Blocks in the (443)-204 Exchange

Area Code and Exchange Number Block Line Type City Zip Codes
443-204- 0000-0 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 1000-1 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 2000-2 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 3000-3 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 4000-4 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 5000-5 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 6000-6 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 7000-7 999 Wireless COLUMBIA 21208 21093 21117 21133
443-204- 8000-8 999 Land line, non-wireless service OWINGS MILLS 21208 21093 21117 21133
443-204- 0000-9999 Wireless COLUMBIA 21208 21093 21117 21133

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