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: 265

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-265 A Fork MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-265 0 Fork MD   829J PAETEC ITEL, LLC 238      
443-265 1 Fork MD   829J PAETEC ITEL, LLC 238      
443-265 2 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2014-06-06   
443-265 3 Fork MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2025-02-24   
443-265 4 Fork MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-265 5 Fork MD   829J PAETEC ITEL, LLC 238      
443-265 6 Fork MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-265 7 Fork MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-265 8 Fork MD   515J IP HORIZON LLC 238   2016-05-31   
443-265 9 Fork MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-08   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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