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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-400 A Fort Gibson OK   409F ONVOY, LLC - OK 538      
918-400 0 Fort Gibson OK   409F ONVOY, LLC - OK 538   2019-01-18   
918-400 2 Fort Gibson OK   409F ONVOY, LLC - OK 538   2020-07-13   
918-400 3 Fort Gibson OK   409F ONVOY, LLC - OK 538   2020-07-13   
918-400 5 Fort Gibson OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2020-06-28   
918-400 6 Fort Gibson OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538   2018-05-18   
918-400 7 Fort Gibson OK   508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-04-07   
918-400 8 Fort Gibson OK   318J COMCAST IP PHONE, LLC 538   2019-06-03   
918-400 9 Fort Gibson OK   119F BANDWIDTH.COM CLEC, LLC - OK 538   2020-03-16   

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

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