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
240-314 A Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 0 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 1 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 2 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 3 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 4 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 5 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 6 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 7 Washington Zone 10 MD RKVLMDRVDS1  236      
240-314 8 Washington Zone 10 MD RKVLMDRVDS1  236      
240-315 A Frederick MD FRDRMDFRDS1  240      
240-315 0 Frederick MD FRDRMDFRDS1  240      
240-318 A Washington Zone 16 MD CLTNMDCLDS0  236      
240-318 0 Washington Zone 16 MD CLTNMDCLDS0  236      
240-328 A Washington Zone 10 MD RKVLMDRVDS1  236      
240-328 1 Washington Zone 10 MD RKVLMDRVDS1  236      
240-362 A Cumberland MD CSTWMDCRDS0  240      
240-362 0 Cumberland MD CSTWMDCRDS0  240      
240-373 A Washington Zone 13 MD ODTNMDAUDS0  236      
240-379 A Frederick MD FRDRMDFRDS1  240      
240-385 A Myersville MD MYVLMDMVRS0  240      
240-385 0 Myersville MD MYVLMDMVRS0  240      
240-386 A Washington Zone 10 MD GTBGMDGBPS0  236      
240-386 2 Washington Zone 10 MD GTBGMDGBPS0  236      
240-386 3 Washington Zone 10 MD GTBGMDGBPS0  236      
240-386 4 Washington Zone 10 MD GTBGMDGBPS0  236      
240-386 5 Washington Zone 10 MD GTBGMDGBPS0  236      
240-386 6 Washington Zone 10 MD GTBGMDGBPS0  236      
240-404 1 Gaithersburg MD GMTWMDGNDS0  236   2002-07-01   
240-404 2 Gaithersburg MD GMTWMDGNDS0  236   2002-07-01   
240-404 3 Gaithersburg MD GMTWMDGNDS0  236   2002-07-01   
240-404 4 Gaithersburg MD GMTWMDGNDS0  236   2002-07-01   
240-404 5 Gaithersburg MD GMTWMDGNDS0  236   2002-07-01   
240-420 A Hagerstown MD HGTWMDHGDS0  240      
240-439 2 Frederick MD FRDRMDFRDS1  240   2008-09-16   
240-442 A Oakland MD THVLMDTVRS0  240      
240-442 0 Oakland MD THVLMDTVRS0  240      
240-453 A Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 0 Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 2 Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 3 Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 5 Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 6 Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 7 Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 8 Washington Zone 10 MD RKVLMDRVDS1  236      
240-453 9 Washington Zone 10 MD RKVLMDRVDS1  236      
240-456 A Laurel MD LARLMDLRDS0  236      
240-456 0 Laurel MD LARLMDLRDS0  236      
240-456 2 Laurel MD LARLMDLRDS0  236      
240-456 3 Laurel MD LARLMDLRDS0  236      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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