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.

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
410-845 4 Salisbury MD SLBRMDSBDS1  242   2003-03-15   
410-847 A Towson MD TWSNMDTWDS0  238      
410-847 1 Towson MD TWSNMDTWDS0  238      
410-847 3 Towson MD TWSNMDTWDS0  238      
410-847 6 Towson MD TWSNMDTWDS0  238      
410-847 9 Towson MD TWSNMDTWDS0  238      
410-848 A Westminster MD WMNSMDWMDS0  238      
410-849 A Sherwood Forest MD PARLMDPADS0  238      
410-849 2 Sherwood Forest MD PARLMDPADS0  238      
410-849 3 Sherwood Forest MD PARLMDPADS0  238      
410-849 5 Sherwood Forest MD PARLMDPADS0  238      
410-849 8 Sherwood Forest MD PARLMDPADS0  238      
410-850 A Glen Burnie MD FPATMDFRDS0  238      
410-851 A Glen Burnie MD GLBRMDGLRP0  238      
410-853 A Towson MD TWSNMDTWDS0  238      
410-853 0 Towson MD TWSNMDTWDS0  238      
410-853 1 Towson MD TWSNMDTWDS0  238      
410-853 2 Towson MD TWSNMDTWDS0  238      
410-853 3 Towson MD TWSNMDTWDS0  238      
410-853 4 Towson MD TWSNMDTWDS0  238      
410-853 6 Towson MD TWSNMDTWDS0  238      
410-853 8 Towson MD TWSNMDTWDS0  238      
410-853 9 Towson MD TWSNMDTWDS0  238      
410-854 A Waterloo (Washington DC LATA) MD ODTNMDAUDS0  236      
410-855 A Glen Burnie MD FPATMDFRDS0  238      
410-855 6 Glen Burnie MD FPATMDFRDS0  238      
410-855 7 Glen Burnie MD FPATMDFRDS0  238      
410-855 8 Glen Burnie MD FPATMDFRDS0  238      
410-855 9 Glen Burnie MD FPATMDFRDS0  238      
410-856 A Baltimore MD CYVLMDDADS0  238      
410-856 0 Baltimore MD CYVLMDDADS0  238      
410-856 2 Baltimore MD CYVLMDDADS0  238      
410-856 3 Baltimore MD CYVLMDDADS0  238      
410-856 4 Baltimore MD CYVLMDDADS0  238      
410-856 5 Baltimore MD CYVLMDDADS0  238      
410-857 A Westminster MD WMNSMDWMDS0  238      
410-858 A Annapolis MD ANNPMDANPS1  238      
410-858 9 Annapolis MD ANNPMDANPS1  238   2005-05-02   
410-859 A Glen Burnie MD FPATMDFRDS0  238      
410-860 A Salisbury MD SLBRMDSBDS1  242      
410-861 A Westminster MD RSTWMDRSDS0  238      
410-861 8 Westminster MD RSTWMDRSDS0  238      
410-861 9 Westminster MD RSTWMDRSDS0  238      
410-863 A Glen Burnie MD GLBRMDGLRP0  238      
410-863 0 Glen Burnie MD GLBRMDGLRP0  238      
410-863 1 Glen Burnie MD GLBRMDGLRP0  238      
410-863 4 Glen Burnie MD GLBRMDGLRP0  238      
410-863 5 Glen Burnie MD GLBRMDGLRP0  238      
410-863 6 Glen Burnie MD GLBRMDGLRP0  238      
410-863 7 Glen Burnie MD GLBRMDGLRP0  238      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.