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

NXX: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-977 A New Summerfield TX LGVWTXPLX1X  004F BANDWIDTH.COM CLEC, LLC - TX 554      
903-977 0 New Summerfield TX LGVWTXPLX1X  004F BANDWIDTH.COM CLEC, LLC - TX 554   2021-08-08   
903-977 1 New Summerfield TX LGVWTXPLXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 554   2024-12-08   
903-977 7 New Summerfield TX LGVWTXPLX3Y  624H ONVOY SPECTRUM, LLC 554   2024-12-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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