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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-257 A Colton CA   6529 T-MOBILE USA, INC. 730   2024-06-01   
840-257 0 Colton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-257 1 Colton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-257 2 Colton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-257 3 Colton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-257 4 Colton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-257 5 Colton CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-257 6 Colton CA   6529 T-MOBILE USA, INC. 730      
840-257 7 Colton CA   6529 T-MOBILE USA, INC. 730      
840-257 8 Colton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-257 9 Colton CA   6529 T-MOBILE USA, INC. 730      

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

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