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: GLVLMDGLRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-889 A Washington Zone 14 (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
301-889 0 Washington Zone 14 (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
410-867 A West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 0 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 1 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 2 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 3 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 4 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 6 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 7 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 8 West River MD 9212 VERIZON MARYLAND, INC. 238      
410-867 9 West River MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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