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: HSTNTXJAX1Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
346-692 A Houston TX 839J EON TELECOM, INC. 560      
346-692 1 Houston TX 839J EON TELECOM, INC. 560   2023-10-29   
346-741 A Houston TX 839J EON TELECOM, INC. 560   2024-01-18   
346-741 1 Houston TX 839J EON TELECOM, INC. 560   2024-01-18   
346-841 A Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 0 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 1 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 2 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 3 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 4 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 5 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 6 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-841 7 Beach City TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 A Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 0 Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 1 Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 2 Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 3 Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 4 Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 5 Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   
346-844 6 Deer Park TX 839J EON TELECOM, INC. 560   2024-11-28   

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

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