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: CRTHMOFLDS0

Remotes:

Switch Switch name Switch type
CRJTMOMIRS0  Carl Junction  RSS 
JSPRMOEXRS0  Jasper  RSS 
LAMRMOOVRS0  Lamar  RSS 
MNTTMOBERS0  Monett  DMH 
NESHMOGLRS0  Neosho  RSC 
NEVDMONORS0  Nevada  RSC 
PRCYMOGRRS0  Pierce City  RSS 
WBCYMOORRS0  Webb City  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
417-237 A Carthage MO 9533 SOUTHWESTERN BELL 522      
417-358 A Carthage MO 9533 SOUTHWESTERN BELL 522      
417-359 A Carthage MO 9533 SOUTHWESTERN BELL 522      
417-758 A Carthage MO 9533 SOUTHWESTERN BELL 522      

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

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