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: DLLSTXHM4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
214-624 5 Dallas TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552      
469-801 4 Dallas TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552      
469-801 5 Dallas TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552      
469-802 4 Dallas TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552      
469-802 5 Dallas TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552      
469-862 5 Dallas TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552      
817-554 9 Euless TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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