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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-688 A Crestline CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-688 0 Crestline CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-13   
840-688 1 Crestline CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-13   
840-688 4 Crestline CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2022-10-30   
840-688 7 Crestline CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2024-05-10   
840-688 8 Crestline CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-12-24   
840-688 9 Crestline CA LSANCARC32Z  073H TELNYX LLC 730   2022-01-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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