Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 9212 VERIZON MARYLAND, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-518 5 Columbia MD   238 2009-03-02   
443-523 A Salisbury MD SLBRMDSBDS1  242    
443-523 1 Salisbury MD   242    
443-535 A Columbia MD CLVLMDCEDS0  238    
443-535 0 Columbia MD   238    
443-535 8 Columbia MD   238    
443-535 9 Columbia MD   238    
443-542 4 Columbia MD   238 2004-12-20   
443-542 6 Columbia MD   238 2004-12-20   
443-543 A Arbutus MD ARBTMDARDS0  238    
443-543 0 Arbutus MD   238    
443-543 1 Arbutus MD   238    
443-543 2 Arbutus MD   238    
443-543 3 Arbutus MD   238    
443-543 5 Arbutus MD   238    
443-546 A Columbia MD CLMAMDCBDS0  238    
443-546 1 Columbia MD   238    
443-550 6 North Beach MD   238 2004-10-01   
443-552 A Baltimore MD BLTMMDMDDS0  238    
443-552 2 Baltimore MD   238    
443-556 A Cockeysville MD   238    
443-558 5 Aberdeen MD   236 2010-05-10   
443-572 A Glen Burnie MD GLBRMDGLDS0  238    
443-572 0 Glen Burnie MD   238    
443-572 5 Glen Burnie MD   238    
443-572 8 Glen Burnie MD   238    
443-612 A Catonsville MD CTVLMDCTDS0  238    
443-627 A Baltimore MD BLTMMDCHDS2  238 2006-11-28   
443-634 A Waterloo (Washington DC LATA) MD ODTNMDAUDS0  236    
443-634 0 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 1 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 2 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 3 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 4 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 5 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 6 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 7 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 8 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-634 9 Waterloo (Washington DC LATA) MD   236 2012-01-08   
443-641 2 Pikesville MD   238 2004-10-10   
443-641 5 Pikesville MD   238 2004-10-10   
443-642 2 Baltimore MD   238 2007-01-08   
443-642 3 Baltimore MD   238 2007-01-08   
443-642 4 Baltimore MD   238 2007-01-08   
443-642 5 Baltimore MD   238 2007-01-08   
443-642 6 Baltimore MD   238 2007-01-08   
443-643 A Bel Air MD BLARMDBLDS0  238    
443-643 1 Bel Air MD   238    
443-643 2 Bel Air MD   238    
443-643 3 Bel Air MD   238    

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Last updated: Sat, 10 Nov 2018 02:05:23 UTC

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