Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 840 [Rate centres in NPA 840] [Dial plan for NPA 840]

NXX: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-998 A Highland CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-03-02   
840-998 0 Highland CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-08   
840-998 1 Highland CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-10-05   
840-998 2 Highland CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2026-05-30   
840-998 3 Highland CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2026-07-18   
840-998 4 Highland CA   649C ONVOY, LLC - CA 730   2026-09-20   
840-998 5 Highland CA   649C ONVOY, LLC - CA 730   2026-09-20   
840-998 6 Highland CA   649C ONVOY, LLC - CA 730   2026-09-20   
840-998 7 Highland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-12-02   
840-998 8 Highland CA LSANCAJWHMD  145J TERRA NOVA TELECOM INC. 730   2026-03-28   
840-998 9 Highland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-08-29   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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