Local Calling Guide

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

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-384 A Parkville MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-384 0 Parkville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-384 1 Parkville MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-384 2 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 3 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 4 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 5 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 6 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2001-11-01   
443-384 7 Parkville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-31   
443-384 8 Parkville MD   7575 CENTURYLINK COMMUNICATIONS LLC 238   2014-04-02   
443-384 9 Parkville MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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