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: 582

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-582 A Churchville MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-582 0 Churchville MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-582 1 Churchville MD   829J PAETEC ITEL, LLC 238      
443-582 2 Churchville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-30   
443-582 3 Churchville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2017-05-29   
443-582 4 Churchville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-582 5 Churchville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-06-16   
443-582 6 Churchville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-07-30   
443-582 7 Churchville MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-28   
443-582 8 Churchville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-07-28   
443-582 9 Churchville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-05-31   

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

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