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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-290 A Tom Bean TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2024-12-28   
903-290 0 Tom Bean TX   903C ONVOY, LLC - TX 552   2016-04-11   
903-290 1 Tom Bean TX   903C ONVOY, LLC - TX 552   2016-04-11   
903-290 2 Tom Bean TX   004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-01-23   
903-290 3 Tom Bean TX   073H TELNYX LLC 552   2019-05-17   
903-290 5 Tom Bean TX   903C ONVOY, LLC - TX 552   2021-02-03   
903-290 6 Tom Bean TX   903C ONVOY, LLC - TX 552   2021-02-03   
903-290 7 Tom Bean TX   508J CENTURYLINK COMMUNICATIONS, LLC 552   2015-01-27   
903-290 8 Tom Bean TX   515J IP HORIZON LLC 552   2017-12-15   
903-290 9 Tom Bean TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2024-03-15   

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

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