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: 369

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-369 A Port Arthur TX   903C ONVOY, LLC - TX 562   2025-06-06   
409-369 0 Port Arthur TX   903C ONVOY, LLC - TX 562   2025-06-06   
409-369 1 Port Arthur TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 562   2025-06-20   

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

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