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.
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Switch: GLBRMDGLDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-222 A Severn MD 9212 VERIZON MARYLAND, INC. 238      
410-424 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-508 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-553 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-582 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-590 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-760 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-761 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-762 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-766 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-768 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-787 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-863 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      
410-969 A Severn MD 9212 VERIZON MARYLAND, INC. 238      
443-572 A Glen Burnie MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Sat, 23 Mar 2019 01:32:05 UTC

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