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: MCLSOKMADS0

Remotes:

Switch Switch name Switch type
EUFLOKMARS1  EUFAULA  RSC 
HRTSOKMARS1  HARTSHORNE  RSC 
TALHOKMARS1  TALIHINA  DMT 
WBTNOKMARS1  WILBURTON  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-302 A McAlester OK 9533 SOUTHWESTERN BELL 538      
918-420 A McAlester OK 9533 SOUTHWESTERN BELL 538      
918-421 A McAlester OK 9533 SOUTHWESTERN BELL 538      
918-423 A McAlester OK 9533 SOUTHWESTERN BELL 538      
918-426 A McAlester OK 9533 SOUTHWESTERN BELL 538      
918-429 A McAlester OK 9533 SOUTHWESTERN BELL 538      
918-715 A McAlester OK 9533 SOUTHWESTERN BELL 538      

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

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