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: HBRTOKMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-726 A Hobart OK 9533 SOUTHWESTERN BELL 536      
580-726 1 Hobart OK 9533 SOUTHWESTERN BELL 536      
580-726 2 Hobart OK 9533 SOUTHWESTERN BELL 536      
580-726 3 Hobart OK 9533 SOUTHWESTERN BELL 536      
580-726 5 Hobart OK 9533 SOUTHWESTERN BELL 536      
580-726 6 Hobart OK 9533 SOUTHWESTERN BELL 536      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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