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: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-612 A Spiro OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538      
918-612 0 Spiro OK   119F BANDWIDTH.COM CLEC, LLC - OK 538   2014-10-10   
918-612 1 Spiro OK   073H TELNYX LLC 538   2019-01-21   
918-612 2 Spiro OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2015-11-14   
918-612 3 Spiro OK   409F ONVOY, LLC - OK 538   2016-09-29   
918-612 4 Spiro OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2004-05-20   
918-612 5 Spiro OK   409F ONVOY, LLC - OK 538   2016-09-29   
918-612 6 Spiro OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538   2017-05-08   
918-612 7 Spiro OK   409F ONVOY, LLC - OK 538   2020-12-28   
918-612 8 Spiro OK   409F ONVOY, LLC - OK 538   2020-12-28   
918-612 9 Spiro OK   409F ONVOY, LLC - OK 538   2021-04-26   

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

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