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: 384

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-384 A Parkville MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-384 0 Parkville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-384 1 Parkville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-384 2 Parkville MD   829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 3 Parkville MD   829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 4 Parkville MD   829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 5 Parkville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-11-14   
443-384 6 Parkville MD   829J PAETEC ITEL, LLC 238   2001-11-01   
443-384 7 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-03-31   
443-384 8 Parkville MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-384 9 Parkville MD   829J PAETEC ITEL, LLC 238      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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