Local Calling Guide

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

NXX: 259

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-259 A Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 0 Pomona CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-01   
840-259 1 Pomona CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-11   
840-259 2 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 3 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 4 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 5 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 6 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 7 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 8 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   
840-259 9 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-06-30   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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