Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-668 A Oakdale LA SHPTLAMAXZY  749E ONVOY, LLC - LA 486      
318-668 0 Oakdale LA   749E ONVOY, LLC - LA 486   2016-05-30   
318-668 1 Oakdale LA   749E ONVOY, LLC - LA 486   2016-05-30   
318-668 2 Oakdale LA   749E ONVOY, LLC - LA 486   2016-06-01   
318-668 3 Oakdale LA   749E ONVOY, LLC - LA 486   2016-06-01   
318-668 4 Oakdale LA   749E ONVOY, LLC - LA 486   2021-02-21   
318-668 5 Oakdale LA   153F BANDWIDTH.COM CLEC, LLC - LA 486   2017-02-11   
318-668 6 Oakdale LA   153F BANDWIDTH.COM CLEC, LLC - LA 486   2019-08-09   
318-668 7 Oakdale LA   749E ONVOY, LLC - LA 486   2019-03-31   
318-668 8 Oakdale LA   749E ONVOY, LLC - LA 486   2019-03-31   
318-668 9 Oakdale LA   624H ONVOY SPECTRUM, LLC 486   2023-07-21   

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

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