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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-328 A Hitchcock-Santa Fe TX DCSNTXXAQMD  506J TWILIO INTERNATIONAL, INC. 560   2024-12-16   
409-328 0 Hitchcock-Santa Fe TX   903C ONVOY, LLC - TX 560   2024-04-21   
409-328 1 Hitchcock-Santa Fe TX   903C ONVOY, LLC - TX 560   2024-05-20   
409-328 3 Hitchcock-Santa Fe TX   506J TWILIO INTERNATIONAL, INC. 560   2024-12-17   
409-328 8 Hitchcock-Santa Fe TX   903C ONVOY, LLC - TX 560   2024-05-20   
409-328 9 Hitchcock-Santa Fe TX   004F BANDWIDTH.COM CLEC, LLC - TX 560   2025-12-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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