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.

Westfield, TX

<< 1 2 3

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
832-957 4 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
832-957 5 HSTNTX01X7X  516C AT&T CORP. 560      
832-957 6 HSTSTXJV6MD  508J CENTURYLINK COMMUNICATIONS, LLC 560      
832-957 7 HSTNTXYADS5  903C ONVOY, LLC - TX 560      
832-957 8 HSTNTXWEDS0  9533 SOUTHWESTERN BELL 560      
832-957 9 HSTNTXYADS5  903C ONVOY, LLC - TX 560      

<< 1 2 3

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.