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
410-306 2 Aberdeen MD   236    
410-306 3 Aberdeen MD   236    
410-306 4 Aberdeen MD   236    
410-306 8 Aberdeen MD   236    
410-307 A Towson MD TWSNMDTWDS0  238    
410-307 2 Towson MD   238    
410-307 5 Towson MD   238    
410-307 6 Towson MD   238    
410-308 A Towson MD CYVLMDCKDS0  238    
410-309 A Columbia MD CLMAMDOBDS0  238    
410-312 A Columbia MD CLMAMDSRRS0  238    
410-313 A Ellicott City MD ELCYMDELDS0  238    
410-315 A Severna Park MD SVPKMDSPDS0  238    
410-315 5 Severna Park MD   238    
410-315 6 Severna Park MD   238    
410-315 7 Severna Park MD   238    
410-315 8 Severna Park MD   238    
410-315 9 Severna Park MD   238    
410-316 A Cockeysville MD CYVLMDDADS0  238    
410-316 0 Cockeysville MD   238    
410-316 2 Cockeysville MD   238    
410-316 5 Cockeysville MD   238    
410-316 7 Cockeysville MD   238    
410-316 8 Cockeysville MD   238    
410-318 A Baltimore MD PIVLMDPKDS1  238    
410-318 0 Baltimore MD   238    
410-318 1 Baltimore MD   238    
410-318 2 Baltimore MD   238    
410-318 3 Baltimore MD   238    
410-318 4 Baltimore MD   238    
410-318 5 Baltimore MD   238    
410-318 6 Baltimore MD   238    
410-318 7 Baltimore MD   238    
410-318 8 Baltimore MD   238    
410-319 A Baltimore MD BLTMMDHMDS0  238    
410-319 1 Baltimore MD   238    
410-319 3 Baltimore MD   238    
410-319 5 Baltimore MD   238    
410-319 6 Baltimore MD   238    
410-319 7 Baltimore MD   238    
410-319 8 Baltimore MD   238    
410-319 9 Baltimore MD   238    
410-321 A Towson MD TWSNMDTWDS0  238    
410-323 A Baltimore MD BLTMMDYKDS0  238    
410-324 A Towson MD TWSNMDTWDS0  238    
410-324 1 Towson MD   238    
410-324 4 Towson MD   238    
410-324 5 Towson MD   238    
410-324 8 Towson MD   238    
410-325 A Baltimore MD BLTMMDFRDS0  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, 10 Nov 2018 02:05:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.