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.


NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date
918-522 A Buffalo Valley OK BFVYOKXADS0  538    
918-563 A Albion OK ALBNOKXADS0  538    
918-569 A Clayton OK CYTNOKXADS0  538    
918-651 A Muse OK MUSEOKXADS0  538    
918-659 A Fanshawe OK FNSHOKXADS0  538    
918-677 A Summerfield OK SRFDOKXADS0  538    
918-753 A Leflore OK LFLROKXADS0  538    
918-754 A Red Oak OK RDOKOKXADS0  538    
918-755 A Nashoba OK NSHBOKXADS0  538    

Last updated: Thu, 19 Jul 2018 01:19:47 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.