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.

Switch: CSTWMDCRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-362 A Cumberland MD 9212 VERIZON MARYLAND, INC. 240      
240-362 0 Cumberland MD 9212 VERIZON MARYLAND, INC. 240      
301-729 A Cumberland MD 9212 VERIZON MARYLAND, INC. 240      
301-786 A McCoole MD 9212 VERIZON MARYLAND, INC. 240      
301-786 4 McCoole MD 9212 VERIZON MARYLAND, INC. 240      
301-786 7 McCoole MD 9212 VERIZON MARYLAND, INC. 240      
301-786 9 McCoole MD 9212 VERIZON MARYLAND, INC. 240      

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

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