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: BLTMMDUVDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-235 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-243 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-261 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-261 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-261 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-261 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-261 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-261 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-261 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-338 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-366 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-467 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-516 9 Baltimore MD 9212 VERIZON MARYLAND, INC. 238   2002-03-13   
410-554 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-662 9 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-889 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
443-997 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      

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

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