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
410-420 9 Bel Air MD   238    
410-421 A Severna Park MD SVPKMDSPDS0  238    
410-421 5 Severna Park MD   238    
410-421 8 Severna Park MD   238    
410-421 9 Severna Park MD   238    
410-424 A Glen Burnie MD GLBRMDGLDS0  238    
410-424 1 Glen Burnie MD   238    
410-424 2 Glen Burnie MD   238    
410-424 3 Glen Burnie MD   238    
410-424 4 Glen Burnie MD   238    
410-425 A Smith Island MD SMISMDSIRS0  242    
410-425 2 Smith Island MD   242    
410-426 A Baltimore MD BLTMMDHMDS0  238    
410-429 A Worthington MD RSTWMDRSDS0  238    
410-429 4 Worthington MD   238    
410-429 5 Worthington MD   238    
410-431 A Severna Park MD SVPKMDSPDS0  238    
410-431 5 Severna Park MD   238    
410-431 6 Severna Park MD   238    
410-431 7 Severna Park MD   238    
410-431 8 Severna Park MD   238    
410-431 9 Severna Park MD   238    
410-432 A Severna Park MD SVPKMDSPDS0  238    
410-432 3 Severna Park MD   238    
410-432 5 Severna Park MD   238    
410-432 6 Severna Park MD   238    
410-432 7 Severna Park MD   238    
410-432 8 Severna Park MD   238    
410-432 9 Severna Park MD   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   238 2005-02-20   
410-436 1 Edgewood MD   238    
410-436 2 Edgewood MD   238    
410-436 3 Edgewood MD   238    
410-436 4 Edgewood MD   238    
410-436 5 Edgewood MD   238    
410-436 6 Edgewood MD   238    
410-436 7 Edgewood MD   238    
410-436 8 Edgewood MD   238    
410-436 9 Edgewood MD   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   242    
410-438 3 Sudlersville MD   242    
410-439 A Armiger-Gibson Island MD ARMGMDARDS0  238    
410-442 A Ellicott City MD GLWDMDGDRS1  238    
410-442 0 Ellicott City MD   238    
410-442 1 Ellicott City MD   238    

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

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