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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OCN: 7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK

<< 1 2

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
918-518 8 Jenks OK   538      
918-518 9 Jenks OK   538      
918-806 A Broken Arrow OK TULUOKBRCMD  538   2024-01-11   
918-806 0 Broken Arrow OK   538      
918-806 3 Broken Arrow OK   538      
918-806 4 Broken Arrow OK   538      
918-806 5 Broken Arrow OK   538      
918-806 7 Broken Arrow OK   538      
918-806 9 Broken Arrow OK   538      
918-858 A Tulsa OK TULUOKBRCMD  538   2024-01-11   

<< 1 2

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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