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 Eff date Disc date
443-643 3 Bel Air MD   238    
443-643 4 Bel Air MD   238    
443-654 A Waterloo (Washington DC LATA) MD ODTNMDAUDS0  236 2008-09-27   
443-654 0 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 1 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 2 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 3 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 4 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 5 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 6 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 7 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 8 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-654 9 Waterloo (Washington DC LATA) MD   236 2008-09-27   
443-663 A Woodlawn MD WDLWMDWLDS0  238    
443-663 6 Woodlawn MD   238    
443-663 8 Woodlawn MD   238    
443-678 A Parkville MD WHMRMDWMRS2  238    
443-678 1 Parkville MD   238    
443-682 6 Baltimore MD   238 2007-06-02   
443-734 A Severn MD ODTNMDONDS0  238    
443-734 9 Severn MD   238    
443-755 A Waterloo MD EKRGMDELDS0  238    
443-755 0 Waterloo MD   238    
443-755 1 Waterloo MD   238    
443-755 8 Waterloo MD   238    
443-755 9 Waterloo MD   238    
443-770 A Armiger-Gibson Island MD ARMGMDARDS0  238    
443-770 0 Armiger-Gibson Island MD   238    
443-770 5 Armiger-Gibson Island MD   238 2005-12-14   
443-770 8 Armiger-Gibson Island MD   238    
443-770 9 Armiger-Gibson Island MD   238    
443-777 A Essex MD ESSXMDEXDS0  238    
443-777 1 Essex MD   238    
443-777 2 Essex MD   238    
443-777 3 Essex MD   238    
443-777 4 Essex MD   238    
443-777 5 Essex MD   238    
443-777 6 Essex MD   238    
443-777 7 Essex MD   238    
443-777 8 Essex MD   238    
443-778 A Waterloo (Washington DC LATA) MD LARLMDLRDS0  236    
443-778 0 Waterloo (Washington DC LATA) MD   236    
443-778 1 Waterloo (Washington DC LATA) MD   236 2002-06-25   
443-778 2 Waterloo (Washington DC LATA) MD   236 2003-02-15   
443-778 3 Waterloo (Washington DC LATA) MD   236    
443-778 4 Waterloo (Washington DC LATA) MD   236    
443-778 5 Waterloo (Washington DC LATA) MD   236    
443-778 6 Waterloo (Washington DC LATA) MD   236    
443-778 7 Waterloo (Washington DC LATA) MD   236    
443-778 8 Waterloo (Washington DC LATA) MD   236    

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Last updated: Fri, 07 Sep 2018 02:13:12 UTC

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