Local Calling Guide

Area code/prefix search

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NPA: 840 [Rate centres in NPA 840] [Dial plan for NPA 840]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-273 A Mentone CA   649C ONVOY, LLC - CA 730   2025-03-29   
840-273 0 Mentone CA   649C ONVOY, LLC - CA 730   2025-03-29   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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