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: PRLWON94DS0

Remotes:

Switch Switch name Switch type
UDORONAARSC  UDORA  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
705-437 A Pefferlaw ON 8051 BELL ONTARIO 888 805145    

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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