Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDSNDS5

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-720 4 Aberdeen MD 4773 XO MARYLAND, LLC 236   2013-06-15   
443-720 5 Aberdeen MD 4773 XO MARYLAND, LLC 236   2013-01-14   
443-779 A Aberdeen MD 4773 XO MARYLAND, LLC 236      
443-779 1 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-779 2 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-779 3 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-779 4 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-779 5 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-779 6 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-779 7 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-779 8 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-782 A Annapolis MD 4773 XO MARYLAND, LLC 238      
443-782 0 Annapolis MD 4773 XO MARYLAND, LLC 238      
443-836 A Baltimore MD 4773 XO MARYLAND, LLC 238      
443-836 0 Baltimore MD 4773 XO MARYLAND, LLC 238      
443-853 4 Baltimore MD 4773 XO MARYLAND, LLC 238   2010-10-20   
443-853 5 Baltimore MD 4773 XO MARYLAND, LLC 238   2010-10-20   
443-853 6 Baltimore MD 4773 XO MARYLAND, LLC 238   2010-10-20   
443-853 7 Baltimore MD 4773 XO MARYLAND, LLC 238   2010-10-20   
443-855 0 Aberdeen MD 4773 XO MARYLAND, LLC 236   2012-11-27   
443-855 2 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-855 3 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-855 4 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-855 5 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-855 6 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-855 7 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-855 8 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-855 9 Aberdeen MD 4773 XO MARYLAND, LLC 236   2010-10-20   
443-863 1 Baltimore MD 4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 2 Baltimore MD 4773 XO MARYLAND, LLC 238   2010-10-20   
443-863 3 Baltimore MD 4773 XO MARYLAND, LLC 238   2010-10-20   
443-917 4 Columbia MD 4773 XO MARYLAND, LLC 238   2013-07-22   
443-917 5 Columbia MD 4773 XO MARYLAND, LLC 238   2013-07-22   
443-973 0 Ellicott City MD 4773 XO MARYLAND, LLC 238   2010-04-04   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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