Local Calling Guide

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

NXX: 947

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-947 A Perryville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-947 0 Perryville MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-01-17   
443-947 1 Perryville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-947 2 Perryville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2019-03-08   
443-947 3 Perryville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-08-05   
443-947 4 Perryville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-08-05   
443-947 5 Perryville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-03-30   
443-947 6 Perryville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2019-10-01   
443-947 7 Perryville MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS LLC 238   2014-06-12   
443-947 8 Perryville MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
443-947 9 Perryville MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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