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
443-426 A Randallstown MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-426 0 Randallstown MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-426 1 Randallstown MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-426 2 Randallstown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-02-12   
443-426 3 Randallstown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2012-02-27   
443-426 4 Randallstown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2003-08-20   
443-426 5 Randallstown MD   2589 US LEC OF MARYLAND, INC. 238   2003-03-04   
443-426 6 Randallstown MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2006-03-18   
443-426 7 Randallstown MD   3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238   2004-06-25   
443-426 8 Randallstown MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-05-05   
443-426 9 Randallstown MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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