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: PNCYOKMADS0

Remotes:

Switch Switch name Switch type
BLNGOKMARS1  BILLINGS  RLC 
BLWLOKMARS1  BLACKWELL  RSC 
MRLNOKMARS1  MARLAND  RS 
NWKROKMARS1  NEWKIRK  RSC 
RDRCOKMARS1  RED ROCK  RLC 
TNKWOKMARS1  TONKAWA  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-304 A Ponca City OK 9533 SOUTHWESTERN BELL 536      
580-718 A Ponca City OK 9533 SOUTHWESTERN BELL 536      
580-762 A Ponca City OK 9533 SOUTHWESTERN BELL 536      
580-763 A Ponca City OK 9533 SOUTHWESTERN BELL 536      
580-765 A Ponca City OK 9533 SOUTHWESTERN BELL 536      
580-767 A Ponca City OK 9533 SOUTHWESTERN BELL 536      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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