Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
903-819 4 Sherman TX 6529 T-MOBILE USA, INC. 552      
903-819 5 Sherman TX 6529 T-MOBILE USA, INC. 552      
903-819 6 Sherman TX 6529 T-MOBILE USA, INC. 552      
903-819 7 Sherman TX 6529 T-MOBILE USA, INC. 552      
903-819 8 Sherman TX 6529 T-MOBILE USA, INC. 552      
903-819 9 Sherman TX 6529 T-MOBILE USA, INC. 552      
903-820 3 Sherman TX 5562 METROPCS, INC. 552   2019-02-14   
903-990 3 Bonham TX 6529 T-MOBILE USA, INC. 552   2022-03-31   
903-990 4 Bonham TX 6529 T-MOBILE USA, INC. 552   2022-03-31   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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