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: ERBOOKXADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
405-333 A Pearson OK 2020 POTTAWATOMIE TEL. CO. 536      
405-398 A Bowlegs OK 2020 POTTAWATOMIE TEL. CO. 536      
405-899 A Tribbey OK 2020 POTTAWATOMIE TEL. CO. 536      
405-941 A Sasakwa OK 2020 POTTAWATOMIE TEL. CO. 536      
405-997 A Earlsboro OK 2020 POTTAWATOMIE TEL. CO. 536      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.