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
443-763 A Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-763 0 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-01-21   
443-763 1 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-04-24   
443-763 2 Glen Burnie MD   6664 SPRINT SPECTRUM L.P. 238   2005-04-21   
443-763 3 Glen Burnie MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-08-10   
443-763 4 Glen Burnie MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-08-13   
443-763 5 Glen Burnie MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-08-13   
443-763 6 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-09-09   
443-763 7 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-07-29   
443-763 8 Glen Burnie MD   2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-01   
443-763 9 Glen Burnie MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   

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

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