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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-356 A Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-356 0 Arrowhead CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-04-22   
840-356 1 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 2 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 3 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 4 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 5 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 6 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 7 Arrowhead CA   965H FRACTEL, LLC 730   2022-04-21   
840-356 8 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 9 Arrowhead CA   965H FRACTEL, LLC 730   2022-04-21   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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