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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
410-827 3 Queenstown MD   242    
410-827 4 Queenstown MD   242    
410-827 5 Queenstown MD   242    
410-827 6 Queenstown MD   242    
410-827 7 Queenstown MD   242    
410-827 8 Queenstown MD   242    
410-827 9 Queenstown MD   242    
410-828 A Towson MD TWSNMDTWDS0  238    
410-830 A Towson MD TWSNMDTWDS0  238    
410-830 2 Towson MD   238    
410-830 3 Towson MD   238    
410-830 4 Towson MD   238    
410-830 5 Towson MD   238    
410-830 6 Towson MD   238    
410-830 7 Towson MD   238    
410-830 8 Towson MD   238    
410-832 A Towson MD TWSNMDTWDS0  238    
410-832 0 Towson MD   238    
410-832 1 Towson MD   238    
410-832 2 Towson MD   238    
410-832 4 Towson MD   238    
410-832 5 Towson MD   238    
410-832 7 Towson MD   238    
410-832 8 Towson MD   238    
410-833 A Reisterstown MD RSTWMDRSDS0  238    
410-835 A Willards MD WLRDMDWRRS1  242    
410-835 2 Willards MD   242    
410-835 3 Willards MD   242    
410-835 8 Willards MD   242    
410-836 A Bel Air MD BLARMDBLDS0  238    
410-837 A Baltimore MD BLTMMDCHDS3  238    
410-838 A Bel Air MD BLARMDBLDS0  238    
410-840 A Reisterstown MD WMNSMDWMDS0  238    
410-840 0 Reisterstown MD   238    
410-840 2 Reisterstown MD   238    
410-840 3 Reisterstown MD   238    
410-840 4 Reisterstown MD   238    
410-840 5 Reisterstown MD   238    
410-840 8 Reisterstown MD   238    
410-840 9 Reisterstown MD   238    
410-841 A Severna Park MD PARLMDPADS0  238    
410-841 1 Severna Park MD   238    
410-841 2 Severna Park MD   238    
410-841 3 Severna Park MD   238    
410-841 5 Severna Park MD   238    
410-841 6 Severna Park MD   238    
410-841 7 Severna Park MD   238    
410-845 4 Salisbury MD   242 2003-03-15   
410-847 A Towson MD TWSNMDTWDS0  238    
410-847 1 Towson MD   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 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.