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: 799

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-799 A Rialto CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-799 0 Rialto CA LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-02   
840-799 1 Rialto CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 2 Rialto CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 3 Rialto CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 4 Rialto CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 5 Rialto CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 6 Rialto CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-06-16   
840-799 7 Rialto CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-04-05   
840-799 8 Rialto CA LSANCARC32Z  073H TELNYX LLC 730   2022-05-22   
840-799 9 Rialto CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-09-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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