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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Switch: RCHRTXXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
936-851 A Richards TX 2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 560      
936-851 0 Richards TX 2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 560      
936-851 2 Richards TX 2084 BRIGHTSPEED OF EASTERN TEXAS, INC. 560      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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