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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-257 A Beaumont TX BUMTTXTEY0X  425J CSC WIRELESS, LLC 562      
409-257 0 Beaumont TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 562   2020-11-08   
409-257 1 Beaumont TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 562   2020-11-08   
409-257 2 Beaumont TX   425J CSC WIRELESS, LLC 562   2020-08-03   
409-257 3 Beaumont TX   903C ONVOY, LLC - TX 562   2021-11-25   
409-257 4 Beaumont TX   903C ONVOY, LLC - TX 562   2021-11-25   
409-257 5 Beaumont TX   903C ONVOY, LLC - TX 562   2021-11-25   
409-257 6 Beaumont TX   903C ONVOY, LLC - TX 562   2020-12-03   
409-257 7 Beaumont TX   903C ONVOY, LLC - TX 562   2020-12-03   
409-257 8 Beaumont TX   903C ONVOY, LLC - TX 562   2020-12-03   
409-257 9 Beaumont TX   903C ONVOY, LLC - TX 562   2020-12-03   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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