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410 AREA CODE

The 410 area code applies to phone numbers from the state of Maryland. To learn more about the 410 area code, go to http://en.wikipedia.org/wiki/Area_code_410

Area codes were introduced in the United States by the Bell Systems, in 1947. The first direct dial long distance phone call occurred in 1951.

Area codes are also known as Numbering Plan Areas (NPAs) and formerly known as STD codes in the UK. These are necessary (for the most part) only when dialed from outside the code area, from mobile phones, and (especially within North America) from within overlay plans.

Area codes usually indicate geographical areas within one country that are covered by perhaps hundreds of telephone exchanges, although the correlation to geographical area is becoming obsolete.

The area code is usually preceded in the dial string by either the national access code ("0" for many countries, "1" in USA and Canada) or the international access code and country code.

Maryland, 410 area code.
Currently listed complaints filed

Area code 410 for the state of Maryland

Phone NumberStateCarrierLine TypeWire Center
410-200-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineEaston
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDIDT AMERICA CORPORATION - MDLand LineQueenstown
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-200-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineEaston
410-201-0000MDVERIZON MARYLAND INCLand LineOdd Ball
410-202-0000MDNATIONSLINE INC - MDLand LineSalisbury
410-202-0000MDNATIONSLINE INC - MDLand LineSalisbury
410-202-0000MDNEXTEL COMMUNICATIONS INCWirelessSalisbury
410-202-0000MDLEVEL 3 COMMUNICATIONS LLC - MDLand LineSalisbury
410-202-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineEaston
410-202-0000MDNEXTEL COMMUNICATIONS INCWirelessSalisbury
410-202-0000MDNEXTEL COMMUNICATIONS INCWirelessSalisbury
410-202-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-202-0000MDNEXTEL COMMUNICATIONS INCWirelessSalisbury
410-202-0000MDLEVEL 3 COMMUNICATIONS LLC - MDLand LineSalisbury
410-202-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-203-0000MDVERIZON MARYLAND INCLand LineEllicott City
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-204-0000MDVERIZON MARYLAND INCLand LineArbutus
410-205-0000MDVERIZON MARYLAND INCLand LinePikesville
410-205-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-205-0000MDCOMCAST PHONE OF NORTHERN MARYLAND INC - MDLand LineWhite Marsh
410-205-0000MDXO MARYLAND LLCLand LineBaltimore
410-205-0000MDVERIZON MARYLAND INCLand LinePikesville
410-205-0000MDCOMCAST PHONE OF NORTHERN MARYLAND INC - MDLand LineWhite Marsh
410-205-0000MDCOMCAST PHONE OF NORTHERN MARYLAND INC - MDLand LineWhite Marsh
410-205-0000MDBANDWIDTH.COM - MDLand LineBaltimore-charles St
410-206-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-207-0000MDVERIZON WIRELESS - MDWirelessWoodlawn
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-208-0000MDVERIZON MARYLAND INCLand LineOcean Pines-cathell Rd
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-209-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-209-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-210-0000MDAQUIS COMMUNICATIONS INCPaging SystemSalisbury
410-211-0000MDMULTIPLE OCN LISTINGLand LineOdd Ball
410-212-0000MDSPRINT SPECTRUM LPWirelessHanover (anne Arundel)
410-213-0000MDVERIZON MARYLAND INCLand LineWest Ocean City (herring Creek)
410-213-0000MDVERIZON MARYLAND INCLand LineWest Ocean City (herring Creek)
410-213-0000MDVERIZON MARYLAND INCLand LineWest Ocean City (herring Creek)
410-213-0000MDVERIZON MARYLAND INCLand LineWest Ocean City (herring Creek)
410-213-0000MDNATIONSLINE INC - MDLand LineSalisbury
410-213-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineEaston
410-213-0000MDVERIZON MARYLAND INCLand LineWest Ocean City (herring Creek)
410-213-0000MDVERIZON MARYLAND INCLand LineWest Ocean City (herring Creek)
410-213-0000MDVERIZON MARYLAND INCLand LineWest Ocean City (herring Creek)
410-214-0000MDCORE COMMUNICATIONS INC - MDLand LineBaltimore
410-214-0000MDCORE COMMUNICATIONS INC - MDLand LineBaltimore
410-215-0000MDVERIZON WIRELESS - MDWirelessCatonsville
410-216-0000MDVERIZON MARYLAND INCMixed Wireless and Land LineAnnapolis
410-217-0000MDVERIZON MARYLAND INCPaging SystemBaltimore-charles St
410-218-0000MDVERIZON WIRELESS - MDWirelessWoodlawn
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-219-0000MDVERIZON MARYLAND INCLand LineSalisbury
410-221-0000MDVERIZON MARYLAND INCLand LineCambridge
410-222-0000MDVERIZON MARYLAND INCLand LineGlen Burnie
410-222-0000MDVERIZON MARYLAND INCLand LineGlen Burnie
410-222-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-222-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-222-0000MDVERIZON MARYLAND INCLand LineDorrs Corner
410-222-0000MDVERIZON MARYLAND INCLand LineParole
410-222-0000MDVERIZON MARYLAND INCLand LineParole
410-222-0000MDVERIZON MARYLAND INCLand LineGlen Burnie
410-222-0000MDVERIZON MARYLAND INCLand LineParole
410-222-0000MDVERIZON MARYLAND INCLand LineDorrs Corner
410-222-0000MDVERIZON MARYLAND INCLand LineGlen Burnie
410-223-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-224-0000MDVERIZON MARYLAND INCLand LineParole
410-225-0000MDVERIZON MARYLAND INCLand LineBaltimore-madison
410-226-0000MDVERIZON MARYLAND INCLand LineOxford
410-226-0000MDVERIZON MARYLAND INCLand LineOxford
410-226-0000MDIDT AMERICA CORPORATION - MDLand LineQueenstown
410-226-0000MDCORE COMMUNICATIONS INC - MDLand LineSalisbury
410-226-0000MDVERIZON MARYLAND INCLand LineOxford
410-227-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-228-0000MDVERIZON MARYLAND INCLand LineCambridge
410-229-0000MDVERIZON MARYLAND INCLand LineCockeysville (hunt Valley)
410-230-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-231-0000MDCOMCAST PHONE OF NORTHERN MARYLAND INC - MDLand LineWhite Marsh
410-231-0000MDBANDWIDTH.COM - MDLand LineBaltimore-charles St
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-231-0000MDAT&T LOCAL - NYLand LineBaltimore-charles St
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-231-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-232-0000MDUSA MOBILITY WIRELESS INCPaging SystemHanover (anne Arundel)
410-233-0000MDVERIZON MARYLAND INCLand LineBaltimore-edmondson
410-234-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-235-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-236-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-237-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-238-0000MDVERIZON MARYLAND INCLand LineEssex
410-239-0000MDVERIZON MARYLAND INCLand LineHampstead
410-241-0000MDVERIZON WIRELESS - MDWirelessWoodlawn
410-242-0000MDVERIZON MARYLAND INCLand LineArbutus
410-243-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-244-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-245-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-246-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineBaltimore
410-247-0000MDVERIZON MARYLAND INCLand LineArbutus
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-248-0000MDGLOBAL TELECOM BROKERS - MDLand LineBaltimore-charles St
410-248-0000MDBROADWING COMMUNICATIONS LLC - MDLand LineBaltimore-charles St
410-248-0000MDNATIONSLINE INC - MDLand LineBaltimore-charles St
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-248-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-249-0000MDVERIZON MARYLAND INCPaging SystemTowson
410-250-0000MDVERIZON MARYLAND INCLand LineOcean City-montego Bay
410-251-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-252-0000MDVERIZON MARYLAND INCLand LineCockeysville
410-253-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessSalisbury
410-254-0000MDVERIZON MARYLAND INCLand LineBaltimore-hamilton
410-255-0000MDVERIZON MARYLAND INCLand LineArmiger
410-256-0000MDVERIZON MARYLAND INCLand LinePerry Hall
410-257-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-258-0000MDSPRINT SPECTRUM LPWirelessHanover (anne Arundel)
410-259-0000MDVERIZON WIRELESS - MDWirelessWoodlawn
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-260-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDVERIZON MARYLAND INCLand LineBaltimore-university
410-261-0000MDNEXTEL COMMUNICATIONS INCWirelessHanover (anne Arundel)
410-262-0000MDSPRINT SPECTRUM LPWirelessHanover (anne Arundel)
410-263-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-264-0000MDVERIZON MARYLAND INCPaging SystemLaurel
410-265-0000MDVERIZON MARYLAND INCLand LineWoodlawn
410-266-0000MDVERIZON MARYLAND INCLand LineParole
410-267-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-268-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-269-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-270-0000MDREDI-CALL COMMUNICATIONS COMPANYPaging SystemSalisbury
410-271-0000MDVERIZON WIRELESS - MDWirelessWoodlawn
410-272-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-273-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-274-0000MDVERIZON WIRELESS - MDWirelessCatonsville
410-275-0000MDVERIZON MARYLAND INCLand LineCecilton
410-275-0000MDVERIZON MARYLAND INCLand LineCecilton
410-275-0000MDVERIZON MARYLAND INCLand LineCecilton
410-275-0000MDNATIONSLINE INC - MDLand LineSalisbury
410-275-0000MDCORE COMMUNICATIONS INC - MDLand LineSalisbury
410-275-0000MDVERIZON MARYLAND INCLand LineCecilton
410-275-0000MDVERIZON MARYLAND INCLand LineCecilton
410-276-0000MDVERIZON MARYLAND INCLand LineBaltimore-wolfe
410-277-0000MDVERIZON MARYLAND INCLand LineWoodlawn
410-278-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-279-0000MDVERIZON WIRELESS - MDWirelessWoodlawn
410-280-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-281-0000MDVERIZON MARYLAND INCLand LineWoodlawn
410-282-0000MDVERIZON MARYLAND INCLand LineDundalk
410-283-0000MDUSA MOBILITY WIRELESS INCPaging SystemHanover (anne Arundel)
410-284-0000MDVERIZON MARYLAND INCLand LineDundalk
410-285-0000MDVERIZON MARYLAND INCLand LineDundalk
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDLEVEL 3 COMMUNICATIONS LLC - MDLand LineBaltimore
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-286-0000MDVERIZON MARYLAND INCLand LineNorth Beach
410-287-0000MDVERIZON MARYLAND INCLand LineNorth East
410-288-0000MDVERIZON MARYLAND INCLand LineDundalk
410-289-0000MDVERIZON MARYLAND INCLand LineOcean City-ocean City South
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-290-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-291-0000MDVERIZON MARYLAND INCLand LineBaltimore-charles St
410-292-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-293-0000MDPAETEC COMMUNICATIONS INC - MDLand LineBaltimore-charles St
410-294-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-295-0000MDVERIZON MARYLAND INCLand LineAnnapolis
410-296-0000MDVERIZON MARYLAND INCLand LineTowson
410-297-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-298-0000MDVERIZON MARYLAND INCLand LineWoodlawn
410-299-0000MDVERIZON WIRELESS - MDWirelessCatonsville
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-300-0000MDSPRINT SPECTRUM LPWirelessElkridge
410-302-0000MDNEW CINGULAR WIRELESS PCS LLC - DCWirelessColumbia
410-303-0000MDVERIZON WIRELESS - MDWirelessWoodlawn
410-304-0000MDIDT AMERICA CORPORATION - MDLand LineQueenstown
410-304-0000MDIDT AMERICA CORPORATION - MDLand LineQueenstown
410-304-0000MDMCI WORLDCOM COMMUNICATIONS INC - MDLand LineEaston
410-305-0000MDVERIZON MARYLAND INCLand LineOdenton
410-305-0000MDVERIZON MARYLAND INCLand LineOdenton
410-305-0000MDVERIZON MARYLAND INCLand LineOdenton
410-305-0000MDVERIZON MARYLAND INCLand LineOdenton
410-305-0000MDVERIZON MARYLAND INCLand LineOdenton
410-305-0000MDCOMCAST PHONE OF NORTHERN MARYLAND INC - MDLand LineWhite Marsh
410-305-0000MDVERIZON MARYLAND INCLand LineOdenton
410-305-0000MDCORE COMMUNICATIONS INC - MDLand LineBaltimore
410-305-0000MDLEVEL 3 COMMUNICATIONS LLC - MDLand LineBaltimore
410-305-0000MDCOMCAST PHONE OF NORTHERN MARYLAND INC - MDLand LineWhite Marsh
410-306-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-306-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-306-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-306-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-306-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-306-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-306-0000MDNATIONSLINE INC - MDLand LineBaltimore-charles St
410-306-0000MDCOMCAST PHONE OF NORTHERN MARYLAND INC - MDLand LineWhite Marsh
410-306-0000MDUS LEC OF MARYLAND INCLand LineColumbia
410-306-0000MDVERIZON MARYLAND INCLand LineAberdeen
410-306-0000MDATX TELECOMMUNICATIONS SERVICES LTDLand LineBaltimore-charles St
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDGLOBAL TELECOM BROKERS - MDLand LineBaltimore-charles St
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-307-0000MDVERIZON MARYLAND INCLand LineTowson
410-308-0000MDVERIZON MARYLAND INCLand LineCockeysville
410-309-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-310-0000MDVERIZON WIRELESS - MDWirelessSalisbury
410-311-0000MDMULTIPLE OCN LISTINGLand LineOdd Ball
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-snowden River
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-312-0000MDVERIZON MARYLAND INCLand LineColumbia-owen Brown
410-313-0000MDVERIZON MARYLAND INCLand LineEllicott City
410-314-0000MDMCIMETRO ATS INCLand LineBaltimore-rockville
410-314-0000MDMCIMETRO ATS INCLand LineBaltimore-rockville
410-314-0000MDMCIMETRO ATS INCLand LineBaltimore-rockville
410-314-0000MDATX TELECOMMUNICATIONS SERVICES LTDLand LineBaltimore-charles St
410-314-0000MDMCIMETRO ATS INCLand LineBaltimore-rockville
410-315-0000MDVERIZON MARYLAND INCLand LineSeverna Park
410-316-0000MDVERIZON MARYLAND INCLand LineCockeysville (hunt Valley)
410-316-0000MDVERIZON MARYLAND INCLand LineCockeysville (hunt Valley)
410-316-0000MDGLOBAL TELECOM BROKERS - MDLand LineBaltimore-charles St
410-316-0000MDVERIZON MARYLAND INCLand LineManor
410-316-0000MDVERIZON MARYLAND INCLand LineManor
410-316-0000MDVERIZON MARYLAND INCLand LineManor
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