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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-304 A Port Arthur TX BUMUTXHM8MD  732J NUSO, LLC 562      
409-304 0 Port Arthur TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2023-08-26   
409-304 1 Port Arthur TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2023-08-26   
409-304 2 Port Arthur TX BUMUTXHM8MD  732J NUSO, LLC 562   2023-11-25   
409-304 3 Port Arthur TX BUMUTXHM8MD  732J NUSO, LLC 562   2023-04-09   
409-304 4 Port Arthur TX BUMUTXHM8MD  732J NUSO, LLC 562   2023-11-25   
409-304 5 Port Arthur TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-19   
409-304 6 Port Arthur TX BUMUTXHM0MD  939H COMMIO, LLC 562   2024-01-19   
409-304 7 Port Arthur TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2024-12-01   
409-304 8 Port Arthur TX BUMTTXTEXUX  624H ONVOY SPECTRUM, LLC 562   2023-12-10   
409-304 9 Port Arthur TX BUMTTXTEXUX  624H ONVOY SPECTRUM, LLC 562   2023-12-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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