Local Calling Guide

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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 491

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-491 A Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 1 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 2 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 3 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 4 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 5 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 6 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 7 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 8 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      
903-491 9 Detroit TX DLLTTXID1MD  6529 T-MOBILE USA, INC. 552      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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