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: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-444 A Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-444 0 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-05-02   
840-444 1 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-05-02   
840-444 2 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 3 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 4 Arrowhead CA   965H FRACTEL, LLC 730   2021-02-25   
840-444 5 Arrowhead CA   965H FRACTEL, LLC 730   2021-02-25   
840-444 6 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 7 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 8 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 9 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2021-02-26   

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

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