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: KNSQPAKSDS0

Remotes:

Switch Switch name Switch type
AVDLPAAVRS0  AVONDALE  5ER 
KMVLPAKVRS0  KEMBLESVILLE  5ER 
LDNBPALBRS0  LANDENBERG  5ER 
OXFRPAOXRS0  OXFORD  5ER 
WGRVPAWGRS0  WEST GROVE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
610-347 A Unionville (Chester) PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-444 A Kennett Square PA 9208 VERIZON PENNSYLVANIA, INC. 228      
610-925 A Kennett Square PA 9208 VERIZON PENNSYLVANIA, INC. 228      

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

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