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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-661 A Rayville LA SHPTLAMAXQY  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 486      
318-661 0 Rayville LA   153F BANDWIDTH.COM CLEC, LLC - LA 486   2015-09-27   
318-661 1 Rayville LA   749E ONVOY, LLC - LA 486   2016-04-06   
318-661 2 Rayville LA   749E ONVOY, LLC - LA 486   2016-04-06   
318-661 3 Rayville LA   749E ONVOY, LLC - LA 486   2016-05-28   
318-661 4 Rayville LA   749E ONVOY, LLC - LA 486   2016-05-28   
318-661 5 Rayville LA   749E ONVOY, LLC - LA 486   2021-02-19   
318-661 6 Rayville LA   653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 486   2015-09-21   
318-661 7 Rayville LA   749E ONVOY, LLC - LA 486   2021-02-19   
318-661 8 Rayville LA   749E ONVOY, LLC - LA 486   2019-03-31   
318-661 9 Rayville LA   749E ONVOY, LLC - LA 486   2019-03-31   

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

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