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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-256 A Upland CA   6529 T-MOBILE USA, INC. 730   2024-06-01   
840-256 0 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-256 1 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-256 2 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-256 3 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-256 4 Upland CA   649C ONVOY, LLC - CA 730      
840-256 5 Upland CA   649C ONVOY, LLC - CA 730      
840-256 6 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-256 7 Upland CA   6529 T-MOBILE USA, INC. 730      
840-256 8 Upland CA   6529 T-MOBILE USA, INC. 730      
840-256 9 Upland CA   6529 T-MOBILE USA, INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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