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: 650

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-650 A Henryetta OK HNRYOKMARS1  9533 SOUTHWESTERN BELL 538      
918-650 0 Henryetta OK HNRYOKMARS1  9533 SOUTHWESTERN BELL 538      
918-650 1 Henryetta OK HNRYOKMARS1  9533 SOUTHWESTERN BELL 538      
918-650 2 Henryetta OK TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-650 3 Henryetta OK   6529 T-MOBILE USA, INC. 538      
918-650 4 Henryetta OK TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2019-04-25   
918-650 5 Henryetta OK   6529 T-MOBILE USA, INC. 538      
918-650 6 Henryetta OK TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2008-12-01   
918-650 7 Henryetta OK   612K CSC VOICE, LLC 538   2012-05-24   
918-650 8 Henryetta OK TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-650 9 Henryetta OK HNRYOKMARS1  9533 SOUTHWESTERN BELL 538      

Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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