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: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-278 A Warren TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562      
409-278 0 Warren TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-09-15   
409-278 1 Warren TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-09-15   
409-278 2 Warren TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2021-10-09   
409-278 3 Warren TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-09-15   
409-278 4 Warren TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-09-15   
409-278 5 Warren TX BUMUTXHM0MD  939H COMMIO, LLC 562   2023-09-15   
409-278 6 Warren TX BUMTTXTEXUX  624H ONVOY SPECTRUM, LLC 562   2024-03-11   
409-278 7 Warren TX BUMTTXTEXNX  516C AT&T CORP. 562   2023-07-12   
409-278 8 Warren TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2021-09-04   
409-278 9 Warren TX BUMTTXTEX6Y  318C CEBRIDGE TELECOM TX , L.P. - TX 562   2022-11-01   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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