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: 626

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-626 A Chase MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-626 0 Chase MD   829J PAETEC ITEL, LLC 238      
443-626 1 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
443-626 2 Chase MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-626 3 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   
443-626 4 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-626 5 Chase MD   829J PAETEC ITEL, LLC 238      
443-626 6 Chase MD   515J IP HORIZON LLC 238   2015-03-21   
443-626 7 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-09-22   
443-626 8 Chase MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2020-06-21   
443-626 9 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2020-07-08   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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