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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-318 A Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   
318-318 0 Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   
318-318 2 Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   
318-318 3 Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   
318-318 4 Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   
318-318 7 Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   
318-318 8 Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   
318-318 9 Montgomery LA   749E ONVOY, LLC - LA 486   2026-02-17   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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