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: NCLDPANCDS0

Remotes:

Switch Switch name Switch type
DAPHPADARS1  DAUPHIN  5ER 
FSCKPAFCRS1  FISHING CREEK  5ER 
HLFXPAHXRS1  HALIFAX  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
717-712 A Harrisburg City Zone-1 PA 9208 VERIZON PENNSYLVANIA, INC. 226      
717-770 A Harrisburg City Zone-1 PA 9208 VERIZON PENNSYLVANIA, INC. 226      
717-774 A Harrisburg City Zone-1 PA 9208 VERIZON PENNSYLVANIA, INC. 226      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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