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.

NPA: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 509

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-509 A Waller TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      
936-509 0 Waller TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560   2019-09-14   
936-509 2 Waller TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2020-12-05   
936-509 4 Waller TX BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2021-11-26   
936-509 5 Waller TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2021-02-18   
936-509 6 Waller TX BYTWTXXARMD  624H ONVOY SPECTRUM, LLC 560   2021-11-26   
936-509 7 Waller TX HSTNTXJAXQY  490J DISH WIRELESS, LLC 560   2022-03-01   
936-509 8 Waller TX HSTNTXYADS5  903C ONVOY, LLC - TX 560   2023-10-28   
936-509 9 Waller TX HSTNTXJAXLX  177F PEERLESS NETWORK OF TEXAS, LLC - TX 560      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.