Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 9212 VERIZON MARYLAND, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-975 9 Washington Zone 10 MD   236    
301-977 A Gaithersburg MD GTBGMDGBPS0  236    
301-978 A Washington Zone 10 MD GTBGMDGBPS0  236    
301-978 2 Washington Zone 10 MD   236    
301-978 4 Washington Zone 10 MD   236    
301-978 5 Washington Zone 10 MD   236    
301-978 8 Washington Zone 10 MD   236    
301-978 9 Washington Zone 10 MD   236    
301-979 A Washington Zone 10 MD GTBGMDGBPS0  236    
301-979 4 Washington Zone 10 MD   236    
301-982 A Washington Zone 13 MD CLPKMDBWDS0  236    
301-983 A Washington Zone 10 MD BTHSMDBDDS0  236    
301-984 A Washington Zone 11 MD RKVLMDMRDS0  236    
301-985 A Washington Zone 4 MD HYVLMDHYDS0  236    
301-985 0 Washington Zone 4 MD   236    
301-985 1 Washington Zone 4 MD   236    
301-985 3 Washington Zone 4 MD   236    
301-985 4 Washington Zone 4 MD   236    
301-985 5 Washington Zone 4 MD   236    
301-985 6 Washington Zone 4 MD   236    
301-985 7 Washington Zone 4 MD   236    
301-985 8 Washington Zone 4 MD   236    
301-985 9 Washington Zone 4 MD   236    
301-986 A Washington Zone 2 MD CHCHMDBEDS0  236    
301-987 A Gaithersburg MD GTBGMDGBPS0  236    
301-989 A Washington Zone 12 MD SLSPMDCVDS0  236    
301-990 A Gaithersburg MD GTBGMDGBPS0  236    
301-993 A Washington Zone 13 MD CLPKMDBWDS0  236    
301-994 A Lexington Park-Great Mills MD VYLEMDVLRS0  236    
301-994 0 Lexington Park-Great Mills MD   236    
301-994 1 Lexington Park-Great Mills MD   236    
301-994 2 Lexington Park-Great Mills MD   236    
301-994 3 Lexington Park-Great Mills MD   236    
301-994 9 Lexington Park-Great Mills MD   236    
301-995 A Lexington Park-Great Mills MD PNATMDAFDS0  236    
301-997 A Leonardtown MD LNTWMDLTRS0  236    
301-997 0 Leonardtown MD   236    
301-997 1 Leonardtown MD   236    
301-998 A Washington Zone 11 MD RKVLMDMRDS0  236    
301-999 A Hagerstown MD HGTWMDCACM8  240    
410-201 A Baltimore MD XXXXXXXXXXX  238    
410-203 A Ellicott City MD ELCYMDELDS0  238    
410-204 A Arbutus MD ARBTMDARDS0  238    
410-204 6 Arbutus MD   238    
410-204 7 Arbutus MD   238    
410-208 A Berlin MD OCPNMDCRRS1  242    
410-208 0 Berlin MD   242    
410-208 1 Berlin MD   242    
410-208 2 Berlin MD   242    
410-208 3 Berlin MD   242    

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Last updated: Sat, 01 Dec 2018 01:51:37 UTC

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