Local Calling Guide

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

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-637 A Armiger-Gibson Island MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-637 0 Armiger-Gibson Island MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-637 1 Armiger-Gibson Island MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-637 2 Armiger-Gibson Island MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-637 3 Armiger-Gibson Island MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-637 4 Armiger-Gibson Island MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-637 5 Armiger-Gibson Island MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-637 6 Armiger-Gibson Island MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-637 7 Armiger-Gibson Island MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-637 8 Armiger-Gibson Island MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
443-637 9 Armiger-Gibson Island MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      

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

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