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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-228 A Hemphill TX HMHLTXXAPS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 562      
409-228 0 Hemphill TX   903C ONVOY, LLC - TX 562   2017-04-27   
409-228 1 Hemphill TX   903C ONVOY, LLC - TX 562   2019-04-23   
409-228 2 Hemphill TX   903C ONVOY, LLC - TX 562   2019-04-23   
409-228 3 Hemphill TX   903C ONVOY, LLC - TX 562   2020-08-30   
409-228 4 Hemphill TX   903C ONVOY, LLC - TX 562   2020-08-30   
409-228 5 Hemphill TX   903C ONVOY, LLC - TX 562   2021-03-14   
409-228 6 Hemphill TX   073H TELNYX LLC 562   2021-03-19   
409-228 7 Hemphill TX   903C ONVOY, LLC - TX 562   2021-03-14   
409-228 8 Hemphill TX   939H COMMIO, LLC 562   2023-09-15   
409-228 9 Hemphill TX   1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 562   2015-08-29   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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