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: 276

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-276 A Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-11   
840-276 0 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-11   
840-276 1 Upland CA   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
840-276 2 Upland CA   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
840-276 3 Upland CA   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
840-276 8 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-11   
840-276 9 Upland CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-11   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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