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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-566 A Port Arthur TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562      
409-566 0 Port Arthur TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562      
409-566 1 Port Arthur TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562      
409-566 9 Port Arthur TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2024-07-15   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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