Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 918 [Rate centres in NPA 918] [Dial plan for NPA 918]

NXX: 478

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-478 A Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 0 Fort Gibson OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-07-07   
918-478 1 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 2 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 3 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 4 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 5 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 6 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 7 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      
918-478 8 Fort Gibson OK TULSOKTBX5Z  073H TELNYX LLC 538   2019-01-21   
918-478 9 Fort Gibson OK FTGBOKMARS1  9533 SOUTHWESTERN BELL 538      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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