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: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-921 A Longview TX LGVWTXPLDS4  9533 SOUTHWESTERN BELL 554      
903-921 0 Longview TX   6529 T-MOBILE USA, INC. 554   2013-06-28   
903-921 1 Longview TX   9533 SOUTHWESTERN BELL 554      
903-921 2 Longview TX   6529 T-MOBILE USA, INC. 554   2015-01-04   
903-921 3 Longview TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-11-28   
903-921 4 Longview TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-11-28   
903-921 5 Longview TX   6529 T-MOBILE USA, INC. 554   2022-05-13   
903-921 6 Longview TX   6529 T-MOBILE USA, INC. 554   2022-05-13   
903-921 7 Longview TX   6529 T-MOBILE USA, INC. 554   2013-06-28   
903-921 8 Longview TX   6529 T-MOBILE USA, INC. 554   2013-06-28   
903-921 9 Longview TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2023-04-02   

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

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