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Columbia, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-538 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-539 A CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-539 0 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-539 1 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-539 2 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-539 3 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-539 4 BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-539 5 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-539 6 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-539 7 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-539 8 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-539 9 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-542 A BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-542 0 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-542 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-542 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-542 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-542 4 CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-542 5 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-542 6 CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-542 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-542 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-542 9 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-545 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-545 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-545 1 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-545 2 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-545 3 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-545 4 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-545 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-545 6 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-545 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-545 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-545 9 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-546 A CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
443-546 0 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-546 1 CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
443-546 2 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-546 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-546 4 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-546 5 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-546 6 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-546 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-546 8 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-546 9 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-583 A BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-583 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-583 1 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-583 2 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      
443-583 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-583 4 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-583 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-583 6 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-583 7 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-583 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-583 9 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-656 A HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-656 0 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-656 1 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
443-656 3 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-656 4 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-656 6 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-656 7 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-656 8 HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-656 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-718 A CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-718 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-718 1 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-718 2 CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-718 3 CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-718 4 CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-718 5 CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-718 6 PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
443-718 7 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-718 8 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-718 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-741 A BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-741 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-741 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-741 2 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-741 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-741 4 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-741 5 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-741 6 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-741 7 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-741 8 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-741 9 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-745 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-766 A CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-766 0 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-766 1 CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-766 2 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-766 3 CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-766 4 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-766 5 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-766 6 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-766 7 CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238      
443-766 8 BLTMMDCHFMD  5562 METROPCS, INC. 238      
443-766 9 BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-774 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      

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

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