Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-743 A Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-29   
657-743 0 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-29   
657-743 1 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-29   
657-743 2 Cypress CA   6529 T-MOBILE USA, INC. 730   2024-06-30   
657-743 3 Cypress CA   6529 T-MOBILE USA, INC. 730   2024-06-30   
657-743 4 Cypress CA   6529 T-MOBILE USA, INC. 730   2024-06-30   
657-743 5 Cypress CA   6529 T-MOBILE USA, INC. 730   2024-06-30   
657-743 6 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-29   
657-743 7 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-29   
657-743 8 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-31   
657-743 9 Cypress CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-07-31   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

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