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: PIVLMDPKDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-318 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-358 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-415 A Pikesville MD 9212 VERIZON MARYLAND, INC. 238      
410-484 A Pikesville MD 9212 VERIZON MARYLAND, INC. 238      
410-486 A Pikesville MD 9212 VERIZON MARYLAND, INC. 238      
410-580 A Pikesville MD 9212 VERIZON MARYLAND, INC. 238      
410-585 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-602 A Pikesville MD 9212 VERIZON MARYLAND, INC. 238      
410-653 A Pikesville MD 9212 VERIZON MARYLAND, INC. 238      
410-764 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
443-357 A Pikesville MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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