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.

North Zulch, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
936-399 A NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 1 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 2 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 3 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 4 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 5 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 6 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 7 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 8 NZLHTXXARP0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-399 9 NZLHTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 560      
936-935 A HSTNTXYADS5  903C ONVOY, LLC - TX 560      
936-935 0 HSTNTXYAHMD  073H TELNYX LLC 560      
936-935 1 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
936-935 2 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
936-935 3 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
936-935 5 HSTNTXJAXGY  516J TON80 COMMUNICATIONS, LLC 560      
936-935 6 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
936-935 7 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
936-935 8 HSTNTXMOX6X  624H ONVOY SPECTRUM, LLC 560      
936-935 9 HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.