Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-492 A Quitman TX LGVWTXPLXRX  318C CEBRIDGE TELECOM TX , L.P. - TX 554      
903-492 0 Quitman TX   073H TELNYX LLC 554   2021-04-08   
903-492 1 Quitman TX   624H ONVOY SPECTRUM, LLC 554   2024-01-15   
903-492 2 Quitman TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554   2017-10-15   
903-492 3 Quitman TX   318C CEBRIDGE TELECOM TX , L.P. - TX 554   2014-04-04   
903-492 4 Quitman TX   624H ONVOY SPECTRUM, LLC 554   2024-01-15   
903-492 5 Quitman TX   903C ONVOY, LLC - TX 554   2021-03-19   
903-492 6 Quitman TX   7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 554   2019-03-18   
903-492 7 Quitman TX   624H ONVOY SPECTRUM, LLC 554   2021-12-04   
903-492 8 Quitman TX   624H ONVOY SPECTRUM, LLC 554   2021-12-04   
903-492 9 Quitman TX   624H ONVOY SPECTRUM, LLC 554   2021-06-28   

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

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