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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Ransom Canyon, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
806-818 A LBCKTXPSXFY  318C CEBRIDGE TELECOM TX , L.P. - TX 544      
806-818 8   145J TERRA NOVA TELECOM INC. 544   2025-10-09   
806-818 9 LBCKTXPSXFY  318C CEBRIDGE TELECOM TX , L.P. - TX 544   2023-03-31   
806-829 A RNCNTXXA0MD  2143 SOUTH PLAINS TEL. COOP., INC. 544      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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