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
443-767 A Worthington MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 0 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 1 Worthington MD   876D ONVOY, LLC - MD 238   2020-06-11   
443-767 2 Worthington MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2004-04-02   
443-767 3 Worthington MD   876D ONVOY, LLC - MD 238   2020-06-11   
443-767 4 Worthington MD   876D ONVOY, LLC - MD 238   2012-10-08   
443-767 6 Worthington MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-03-29   
443-767 7 Worthington MD   9170 BROADVIEW NETWORKS, INC. - MD 238   2008-09-08   
443-767 8 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-767 9 Worthington MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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