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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-306 A Beaumont TX BUMUTXHM9MD  321J HD CARRIER LLC 562      
409-306 0 Beaumont TX   903C ONVOY, LLC - TX 562   2025-04-12   
409-306 1 Beaumont TX   903C ONVOY, LLC - TX 562   2025-04-12   
409-306 8 Beaumont TX BUMUTXHM9MD  321J HD CARRIER LLC 562   2023-05-11   
409-306 9 Beaumont TX BUMUTXHM9MD  321J HD CARRIER LLC 562   2023-05-11   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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