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: 415

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-415 A Denison TX DESNTXHODS0  9533 SOUTHWESTERN BELL 552      
903-415 0 Denison TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2016-01-29   
903-415 1 Denison TX   9533 SOUTHWESTERN BELL 552      
903-415 2 Denison TX   9533 SOUTHWESTERN BELL 552      
903-415 3 Denison TX   9533 SOUTHWESTERN BELL 552      
903-415 4 Denison TX   9533 SOUTHWESTERN BELL 552      
903-415 5 Denison TX   903C ONVOY, LLC - TX 552   2016-03-30   
903-415 6 Denison TX   903C ONVOY, LLC - TX 552   2016-03-30   
903-415 7 Denison TX   508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-19   
903-415 8 Denison TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2017-04-02   
903-415 9 Denison TX   073H TELNYX LLC 552   2017-06-12   

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

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