Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 2589 US LEC OF MARYLAND, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-837 1 Annapolis MD CLMAMDJTAMD  238      
443-837 2 Annapolis MD CLMAMDJTAMD  238      
443-837 3 Annapolis MD CLMAMDJTAMD  238      
443-837 9 Annapolis MD CLMAMDJTAMD  238      
443-907 1 Elkton MD CLMAMDJTAMD  238   2004-02-05   
443-914 1 Worthington MD CLMAMDJTAMD  238   2004-01-10   
443-918 2 Taneytown MD CLMAMDJTAMD  238   2004-02-05   
443-937 1 Union Bridge MD CLMAMDJTAMD  238   2004-02-05   
443-955 7 Baltimore MD CLMAMDJTAMD  238   2007-11-10   
443-972 A Cambridge MD SLBRMDSB8MD  242      
443-972 4 Cambridge MD SLBRMDSB8MD  242   2012-08-15   
443-988 6 Centreville MD SLBRMDSB8MD  242   2016-11-18   
667-204 A Annapolis MD CLMAMDJTAMD  238      
667-204 3 Annapolis MD CLMAMDJTAMD  238   2017-02-27   
667-204 4 Annapolis MD CLMAMDJTAMD  238   2017-02-27   
667-204 5 Annapolis MD CLMAMDJTAMD  238   2017-02-27   
667-204 6 Annapolis MD CLMAMDJTAMD  238   2017-02-27   
667-204 7 Annapolis MD CLMAMDJTAMD  238   2017-02-26   
667-217 3 Baltimore MD CLMAMDJTAMD  238   2014-05-01   
667-218 6 Baltimore MD BLTMMDCHW29  238   2016-05-07   
667-219 2 Baltimore MD CLMAMDJTAMD  238   2015-03-30   
667-226 2 St Michaels MD SLBRMDSB8MD  242   2018-01-08   
667-229 1 Aberdeen MD CLMAMDJTAMD  236   2016-04-08   
667-281 2 Salisbury MD SLBRMDSB8MD  242   2022-03-21   
667-330 A Salisbury MD SLBRMDSB8MD  242      
667-330 1 Salisbury MD SLBRMDSB8MD  242   2012-07-21   
667-600 2 Baltimore MD CLMAMDJTBMD  238   2016-07-28   
667-600 3 Baltimore MD CLMAMDJTBMD  238   2016-07-28   
667-600 4 Baltimore MD CLMAMDJTBMD  238   2016-07-28   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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