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: 651

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-651 A Whitesboro TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-651 0 Whitesboro TX   612K CSC VOICE, LLC 552   2007-04-20   
903-651 1 Whitesboro TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-651 2 Whitesboro TX   612K CSC VOICE, LLC 552   2014-02-22   
903-651 3 Whitesboro TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-651 4 Whitesboro TX   515J IP HORIZON LLC 552   2017-12-15   
903-651 5 Whitesboro TX DLLSTX97X1X  073H TELNYX LLC 552   2019-05-17   
903-651 6 Whitesboro TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      
903-651 7 Whitesboro TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-19   
903-651 8 Whitesboro TX DLLSTX97X6X  145J TERRA NOVA TELECOM INC. 552   2024-04-23   
903-651 9 Whitesboro TX DLLTTX01IMD  6529 T-MOBILE USA, INC. 552      

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

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