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
410-421 A Severna Park MD SVPKMDSPDS0  238      
410-421 5 Severna Park MD SVPKMDSPDS0  238      
410-421 8 Severna Park MD SVPKMDSPDS0  238      
410-421 9 Severna Park MD SVPKMDSPDS0  238      
410-424 A Glen Burnie MD GLBRMDGLRP0  238      
410-424 1 Glen Burnie MD GLBRMDGLRP0  238      
410-424 2 Glen Burnie MD GLBRMDGLRP0  238      
410-424 3 Glen Burnie MD GLBRMDGLRP0  238      
410-424 4 Glen Burnie MD GLBRMDGLRP0  238      
410-425 A Smith Island MD SMISMDSIRS0  242      
410-425 2 Smith Island MD SMISMDSIRS0  242      
410-426 A Baltimore MD BLTMMDHMDS0  238      
410-429 A Worthington MD RSTWMDRSDS0  238      
410-429 4 Worthington MD RSTWMDRSDS0  238      
410-429 5 Worthington MD RSTWMDRSDS0  238      
410-431 A Severna Park MD SVPKMDSPDS0  238      
410-431 5 Severna Park MD SVPKMDSPDS0  238      
410-431 6 Severna Park MD SVPKMDSPDS0  238      
410-431 7 Severna Park MD SVPKMDSPDS0  238      
410-431 8 Severna Park MD SVPKMDSPDS0  238      
410-431 9 Severna Park MD SVPKMDSPDS0  238      
410-432 A Severna Park MD SVPKMDSPDS0  238      
410-432 3 Severna Park MD SVPKMDSPDS0  238      
410-432 5 Severna Park MD SVPKMDSPDS0  238      
410-432 6 Severna Park MD SVPKMDSPDS0  238      
410-432 7 Severna Park MD SVPKMDSPDS0  238      
410-432 8 Severna Park MD SVPKMDSPDS0  238      
410-432 9 Severna Park MD SVPKMDSPDS0  238      
410-433 A Baltimore MD BLTMMDYKDS0  238      
410-435 A Baltimore MD BLTMMDYKDS0  238      
410-436 A Edgewood MD EDWDMDEGDS0  238      
410-436 0 Edgewood MD EDWDMDEGDS0  238   2005-02-20   
410-436 1 Edgewood MD EDWDMDEGDS0  238      
410-436 2 Edgewood MD EDWDMDEGDS0  238      
410-436 3 Edgewood MD EDWDMDEGDS0  238      
410-436 4 Edgewood MD EDWDMDEGDS0  238      
410-436 5 Edgewood MD EDWDMDEGDS0  238      
410-436 6 Edgewood MD EDWDMDEGDS0  238      
410-436 7 Edgewood MD EDWDMDEGDS0  238      
410-436 8 Edgewood MD EDWDMDEGDS0  238      
410-436 9 Edgewood MD EDWDMDEGDS0  238   2005-02-20   
410-437 A Armiger-Gibson Island MD ARMGMDARDS0  238      
410-438 A Sudlersville MD SDVLMDSDRS0  242      
410-438 2 Sudlersville MD SDVLMDSDRS0  242      
410-438 3 Sudlersville MD SDVLMDSDRS0  242      
410-439 A Armiger-Gibson Island MD ARMGMDARDS0  238      
410-442 A Ellicott City MD GLWDMDGDRS1  238      
410-442 0 Ellicott City MD GLWDMDGDRS1  238      
410-442 1 Ellicott City MD GLWDMDGDRS1  238      
410-442 2 Ellicott City MD GLWDMDGDRS1  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.