Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 464

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-464 A Churchville MD PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
443-464 0 Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-10-04   
443-464 1 Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-25   
443-464 2 Churchville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-25   
443-464 3 Churchville MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-464 4 Churchville MD PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2010-05-15   
443-464 5 Churchville MD PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2010-05-15   
443-464 6 Churchville MD BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238   2016-05-14   
443-464 7 Churchville MD BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238   2016-05-14   
443-464 8 Churchville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-05   
443-464 9 Churchville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-05   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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