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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-730 4 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-730 5 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-730 6 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-730 7 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-730 8 Essex MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 9 Essex MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-731 A Port Deposit MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-731 0 Port Deposit MD   876D ONVOY, LLC - MD 238      
443-731 1 Port Deposit MD BLTMMDCH47Z  420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238      
443-731 2 Port Deposit MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-731 3 Port Deposit MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-731 4 Port Deposit MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-731 5 Port Deposit MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-731 6 Port Deposit MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-731 7 Port Deposit MD BLTMMDCHXVX  321J HD CARRIER LLC 238      
443-731 8 Port Deposit MD   145J TERRA NOVA TELECOM INC. 238      
443-731 9 Port Deposit MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-732 A Silver Run MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-732 0 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-732 1 Silver Run MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-732 2 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-732 3 Silver Run MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-732 4 Silver Run MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-732 5 Silver Run MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-732 6 Silver Run MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-732 7 Silver Run MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-732 8 Silver Run MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-732 9 Silver Run MD BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-733 A Waterloo MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-733 0 Waterloo MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-733 1 Waterloo MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-733 2 Waterloo MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-733 3 Waterloo MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-733 4 Waterloo MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-733 5 Waterloo MD PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
443-733 6 Waterloo MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-733 7 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-733 8 Waterloo MD   515J IP HORIZON LLC 238      
443-733 9 Waterloo MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-734 A Severn MD ODTNMDONDS0  9212 VERIZON MARYLAND, INC. 238      
443-734 0 Severn MD   515J IP HORIZON LLC 238      
443-734 1 Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-734 2 Severn MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-734 3 Severn MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-734 4 Severn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-734 5 Severn MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-734 6 Severn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-734 7 Severn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-734 8 Severn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-734 9 Severn MD ODTNMDONDS0  9212 VERIZON MARYLAND, INC. 238      
443-735 A Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 A Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 0 Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 1 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-736 2 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-736 3 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-736 4 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-736 5 Salisbury MD SLBRMDSC2MD  5562 METROPCS, INC. 242      
443-736 6 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-736 7 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-736 8 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
443-736 9 Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-737 A Waterloo MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-737 0 Waterloo MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-737 1 Waterloo MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-737 2 Waterloo MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-737 3 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-737 4 Waterloo MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-737 5 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-737 6 Waterloo MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-737 7 Waterloo MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-737 8 Waterloo MD   515J IP HORIZON LLC 238      
443-737 9 Waterloo MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 A Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 0 Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 1 Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 2 Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 3 Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 4 Pikesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-738 5 Pikesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-738 6 Pikesville MD BLTMMDCHDMD  551G NUSO, LLC 238      
443-738 7 Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 8 Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-738 9 Pikesville MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-739 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-740 A Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-740 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-740 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-740 2 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-740 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-740 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-740 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-740 7 Baltimore MD   490J DISH WIRELESS, LLC 238      
443-740 8 Baltimore MD   624H ONVOY SPECTRUM, LLC 238      
443-740 9 Baltimore MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-741 A Columbia MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-741 0 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-741 1 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-741 2 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-741 3 Columbia MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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