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.

Deer Park, TX

<< 1 2 3 4 5 6

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-821 6 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-10-10   
832-821 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-09-10   
832-821 8 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-10-10   
832-821 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-10-10   
832-835 A HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
832-835 0 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-11-14   
832-835 1 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-11-14   
832-835 2 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560   2014-11-14   
832-835 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2015-08-10   
832-835 4 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-07-30   
832-835 5 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2014-11-26   
832-835 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560   2014-11-26   
832-835 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-07-30   
832-835 8 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-07-30   
832-835 9   515J IP HORIZON LLC 560   2015-03-23   

<< 1 2 3 4 5 6

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.