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: PWHSOKMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-287 A Pawhuska OK 9533 SOUTHWESTERN BELL 538      
918-287 0 Pawhuska OK 9533 SOUTHWESTERN BELL 538      
918-287 1 Pawhuska OK 9533 SOUTHWESTERN BELL 538      
918-287 2 Pawhuska OK 9533 SOUTHWESTERN BELL 538      
918-287 3 Pawhuska OK 9533 SOUTHWESTERN BELL 538      
918-287 4 Pawhuska OK 9533 SOUTHWESTERN BELL 538      
918-287 5 Pawhuska OK 9533 SOUTHWESTERN BELL 538      
918-287 9 Pawhuska OK 9533 SOUTHWESTERN BELL 538      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.