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: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-289 A Kemp TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
903-289 0 Kemp TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-10-24   
903-289 1 Kemp TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2021-01-04   
903-289 2 Kemp TX   612K CSC VOICE, LLC 552   2019-11-06   
903-289 4 Kemp TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-08-02   
903-289 5 Kemp TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2020-08-17   
903-289 6 Kemp TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2020-08-17   
903-289 7 Kemp TX ATHNTXXATMD  903C ONVOY, LLC - TX 552   2020-08-17   
903-289 8 Kemp TX DLLSTX97XGX  490J BOOST SUBSCRIBERCO L.L.C. 552   2022-09-03   
903-289 9 Kemp TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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