Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 4773 XO MARYLAND, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-650 1 Reisterstown MD   238      
443-663 1 Woodlawn MD   238   2013-11-04   
443-681 1 Baltimore MD   238   2010-12-06   
443-681 2 Baltimore MD   238   2010-12-06   
443-681 3 Baltimore MD   238   2010-12-06   
443-681 4 Baltimore MD   238   2010-12-06   
443-681 5 Baltimore MD   238   2010-12-06   
443-692 A Baltimore MD BLTMMDSN5MD  238      
443-692 0 Baltimore MD   238      
443-692 2 Baltimore MD   238      
443-692 3 Baltimore MD   238      
443-692 5 Baltimore MD   238      
443-692 6 Baltimore MD   238      
443-692 9 Baltimore MD   238      
443-701 A Arbutus MD BLTMMDSN5MD  238      
443-701 0 Arbutus MD   238      
443-701 1 Arbutus MD   238      
443-701 2 Arbutus MD   238      
443-703 A Baltimore MD BLTMMDSN5MD  238      
443-703 0 Baltimore MD   238      
443-703 1 Baltimore MD   238      
443-703 2 Baltimore MD   238      
443-703 3 Baltimore MD   238   2004-03-10   
443-703 4 Baltimore MD   238   2004-04-16   
443-703 5 Baltimore MD   238   2004-04-16   
443-703 7 Baltimore MD   238   2004-04-16   
443-705 A Cockeysville MD BLTMMDSNDS5  238      
443-710 A Catonsville MD BLTMMDSN5MD  238      
443-710 0 Catonsville MD   238      
443-710 4 Catonsville MD   238      
443-710 8 Catonsville MD   238      
443-712 5 Reisterstown MD   238   2007-07-30   
443-716 3 Annapolis MD   238   2007-03-18   
443-720 A Aberdeen MD BLTMMDSNDS5  236      
443-720 1 Aberdeen MD   236   2013-01-11   
443-720 2 Aberdeen MD   236   2013-01-11   
443-720 4 Aberdeen MD   236   2013-06-15   
443-720 5 Aberdeen MD   236   2013-01-14   
443-733 0 Waterloo MD   238   2003-02-16   
443-740 9 Baltimore MD   238   2005-08-03   
443-773 A Brooklyn Park-Linthicum MD BLTMMDSN5MD  238      
443-773 0 Brooklyn Park-Linthicum MD   238      
443-773 1 Brooklyn Park-Linthicum MD   238      
443-773 3 Brooklyn Park-Linthicum MD   238      
443-773 4 Brooklyn Park-Linthicum MD   238      
443-773 5 Brooklyn Park-Linthicum MD   238      
443-773 6 Brooklyn Park-Linthicum MD   238      
443-773 9 Brooklyn Park-Linthicum MD   238      
443-779 A Aberdeen MD BLTMMDSNDS5  236      
443-779 1 Aberdeen MD   236   2010-10-20   

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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