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: ANTLOKMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-298 A Antlers OK 9533 SOUTHWESTERN BELL 536      
580-298 1 Antlers OK 9533 SOUTHWESTERN BELL 536      
580-298 2 Antlers OK 9533 SOUTHWESTERN BELL 536      
580-298 3 Antlers OK 9533 SOUTHWESTERN BELL 536      
580-298 4 Antlers OK 9533 SOUTHWESTERN BELL 536      
580-298 5 Antlers OK 9533 SOUTHWESTERN BELL 536      
580-298 6 Antlers OK 9533 SOUTHWESTERN BELL 536      
580-298 9 Antlers OK 9533 SOUTHWESTERN BELL 536      

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

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