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.

OCN: 2020 POTTAWATOMIE TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
405-333 A Pearson OK ERBOOKXADS1  536      
405-398 A Bowlegs OK ERBOOKXADS1  536      
405-899 A Tribbey OK ERBOOKXADS1  536      
405-941 A Sasakwa OK ERBOOKXADS1  536      
405-997 A Earlsboro OK ERBOOKXADS1  536      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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