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
443-730 A Essex MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 0 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 1 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 2 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 3 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-08-14   
443-730 4 Essex MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-08-14   
443-730 5 Essex MD   876D ONVOY, LLC - MD 238   2016-01-14   
443-730 6 Essex MD   107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 238   2016-03-29   
443-730 7 Essex MD   876D ONVOY, LLC - MD 238   2016-03-27   
443-730 8 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-730 9 Essex MD   4716 PAETEC COMMUNICATIONS, INC. - MD 238      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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