Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • 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
410-877 0 Fallston MD   238    
410-877 1 Fallston MD   238    
410-877 2 Fallston MD   238    
410-877 3 Fallston MD   238    
410-877 7 Fallston MD   238    
410-877 8 Fallston MD   238    
410-877 9 Fallston MD   238    
410-879 A Fork MD BLARMDBLDS0  238    
410-880 A Waterloo (Washington DC LATA) MD LARLMDLRDS0  236    
410-882 A Parkville MD PKVLMDPKDS0  238    
410-883 A Sharptown MD SHTWMDSTRS1  242    
410-883 2 Sharptown MD   242    
410-883 3 Sharptown MD   242    
410-884 A Columbia MD CLMAMDCBDS0  238    
410-885 A Chesapeake City MD CHCYMDCHRS0  242    
410-885 2 Chesapeake City MD   242    
410-885 3 Chesapeake City MD   242    
410-885 5 Chesapeake City MD   242    
410-885 9 Chesapeake City MD   242    
410-886 A Tilghman MD TLGHMDTLRS0  242    
410-886 2 Tilghman MD   242    
410-886 9 Tilghman MD   242    
410-887 A Towson MD TWSNMDTWDS0  238    
410-888 A Waterloo (Washington DC LATA) MD LARLMDLRDS0  236    
410-888 1 Waterloo (Washington DC LATA) MD   236    
410-888 5 Waterloo (Washington DC LATA) MD   236    
410-888 8 Waterloo (Washington DC LATA) MD   236    
410-888 9 Waterloo (Washington DC LATA) MD   236    
410-889 A Baltimore MD BLTMMDUVDS0  238    
410-892 A Glen Burnie MD FPATMDFRDS0  238    
410-892 7 Glen Burnie MD   238    
410-892 8 Glen Burnie MD   238    
410-893 A Fork MD BLARMDBLDS0  238    
410-895 A Baltimore MD BLTMMDCHDS3  238    
410-896 A Delmar MD DLMRMDDMRS1  242    
410-896 2 Delmar MD   242    
410-896 3 Delmar MD   242    
410-896 4 Delmar MD   242    
410-896 9 Delmar MD   242    
410-897 A Annapolis MD PARLMDPADS0  238    
410-897 0 Annapolis MD   238    
410-897 1 Annapolis MD   238    
410-897 3 Annapolis MD   238    
410-897 4 Annapolis MD   238    
410-897 5 Annapolis MD   238    
410-897 6 Annapolis MD   238    
410-897 8 Annapolis MD   238    
410-897 9 Annapolis MD   238    
410-898 A Waterloo (Washington DC LATA) MD MRKKMDMKDS0  236    
410-901 A Cambridge MD CMBRMDCMDS0  242    

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

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