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
240-586 A Frederick MD FRDRMDFRDS1  240 2007-01-21   
240-586 5 Frederick MD   240 2007-01-21   
240-586 6 Frederick MD   240 2007-01-21   
240-586 7 Frederick MD   240 2007-01-21   
240-586 8 Frederick MD   240 2007-01-21   
240-592 A Washington Zone 13 MD   236    
240-592 0 Washington Zone 13 MD   236 2016-07-31   
240-592 1 Washington Zone 13 MD   236 2016-07-31   
240-592 2 Washington Zone 13 MD   236 2016-07-31   
240-592 3 Washington Zone 13 MD   236 2016-07-31   
240-592 4 Washington Zone 13 MD   236 2016-07-31   
240-592 5 Washington Zone 13 MD   236 2016-07-31   
240-592 6 Washington Zone 13 MD   236 2016-07-31   
240-592 7 Washington Zone 13 MD   236 2016-07-31   
240-592 8 Washington Zone 13 MD   236 2016-07-31   
240-592 9 Washington Zone 13 MD   236 2016-07-31   
240-624 A Washington Zone 13 MD CLPKMDBWDS0  236    
240-624 3 Washington Zone 13 MD   236    
240-624 5 Washington Zone 13 MD   236    
240-624 8 Washington Zone 13 MD   236    
240-626 2 Frederick MD   240 2005-12-14   
240-629 A Frederick MD FRDRMDFRDS1  240    
240-629 0 Frederick MD   240    
240-629 1 Frederick MD   240    
240-629 2 Frederick MD   240    
240-629 3 Frederick MD   240    
240-629 4 Frederick MD   240    
240-629 5 Frederick MD   240    
240-629 6 Frederick MD   240    
240-629 7 Frederick MD   240    
240-629 9 Frederick MD   240    
240-631 A Gaithersburg MD GTBGMDGBPS0  236    
240-632 A Gaithersburg MD GTBGMDGBPS0  236    
240-662 A Washington Zone 3 MD SLSPMDSSDS0  236    
240-683 A Gaithersburg MD GTBGMDGBPS0  236    
240-684 A Washington Zone 13 MD CLPKMDBWDS0  236    
240-684 1 Washington Zone 13 MD   236    
240-684 2 Washington Zone 13 MD   236    
240-684 3 Washington Zone 13 MD   236    
240-684 5 Washington Zone 13 MD   236    
240-684 6 Washington Zone 13 MD   236    
240-684 9 Washington Zone 13 MD   236    
240-686 A Gaithersburg MD GMTWMDGNDS0  236    
240-686 0 Gaithersburg MD   236    
240-686 1 Gaithersburg MD   236    
240-686 2 Gaithersburg MD   236    
240-686 3 Gaithersburg MD   236    
240-686 4 Gaithersburg MD   236    
240-686 7 Gaithersburg MD   236    
240-694 A Washington Zone 2 MD BTHSMDWWDS0  236    

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

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