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.

Rockdale, TX

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
737-732 4 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-03-14   
737-732 5 AUSTTXGR51Z  965H FRACTEL, LLC 558   2020-08-30   
737-732 6 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-14   
737-732 7 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2020-11-14   
737-732 8 AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-04-23   
737-732 9 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2021-04-30   

<< 1 2

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.