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: 1984 OKLAHOMA COMMUNICATION SYSTEM, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
918-247 6 Kellyville OK KLVLOKXAPS0  538      
918-247 7 Kellyville OK KLVLOKXAPS0  538      
918-543 A Inola OK INOLOKXAPS0  538      
918-543 0 Inola OK INOLOKXAPS0  538      
918-543 1 Inola OK INOLOKXAPS0  538      
918-543 2 Inola OK INOLOKXAPS0  538      
918-543 3 Inola OK INOLOKXAPS0  538      
918-543 4 Inola OK INOLOKXAPS0  538      
918-543 6 Inola OK INOLOKXAPS0  538      
918-543 7 Inola OK INOLOKXAPS0  538      
918-543 8 Inola OK INOLOKXAPS0  538      
918-785 A Adair OK ADAROKXAPS0  538      
918-827 A Mounds OK MNDSOKXARP0  538      
918-827 0 Mounds OK MNDSOKXARP0  538      
918-827 1 Mounds OK MNDSOKXARP0  538      
918-827 2 Mounds OK MNDSOKXARP0  538      
918-827 3 Mounds OK MNDSOKXARP0  538      
918-827 4 Mounds OK MNDSOKXARP0  538      
918-827 5 Mounds OK MNDSOKXARP0  538      
918-827 6 Mounds OK MNDSOKXARP0  538      
918-827 7 Mounds OK MNDSOKXARP0  538      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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