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.
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Switch: TULTOK07AMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
539-325 7 Tulsa OK 732J NUSO, LLC 538   2024-04-11   
539-549 6 Tulsa OK 732J NUSO, LLC 538   2024-04-11   
539-812 1 Tulsa OK 732J NUSO, LLC 538   2024-07-19   
539-812 7 Tulsa OK 732J NUSO, LLC 538   2024-07-19   
539-867 6 Tulsa OK 732J NUSO, LLC 538   2024-07-19   
918-922 A Tulsa OK 732J NUSO, LLC 538      
918-922 3 Tulsa OK 732J NUSO, LLC 538   2023-08-17   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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