Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-424 A Galveston TX   903C ONVOY, LLC - TX 560   2025-08-16   
409-424 0 Galveston TX   903C ONVOY, LLC - TX 560   2025-08-16   
409-424 1 Galveston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-28   
409-424 2 Galveston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-28   
409-424 3 Galveston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2025-08-28   
409-424 4 Galveston TX   903C ONVOY, LLC - TX 560   2025-10-16   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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