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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Hilltop Lakes, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
936-855 A HTLKTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-937 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
936-937 0 HSTNTXYAHMD  073H TELNYX LLC 560   2021-03-19   
936-937 1   793K TWC IP ENABLED SERVICES, LLC 560   2024-05-02   
936-937 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
936-937 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2020-08-22   
936-937 4 HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560   2021-07-25   
936-937 5 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-23   
936-937 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2019-08-14   
936-937 7 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-07-09   
936-937 9 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560   2021-11-23   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.