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.

Switch: AUSTTXGR46Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-488 8 Fentress TX 158H INVOXIO INCORPORATED 558   2018-07-29   
512-548 1 Liberty Hill TX 158H INVOXIO INCORPORATED 558   2018-07-29   
512-559 9 Dale/Lytton Springs TX 158H INVOXIO INCORPORATED 558   2018-07-30   
512-675 9 Buchanan Dam TX 158H INVOXIO INCORPORATED 558   2018-07-23   
512-714 0 Adamsville TX 158H INVOXIO INCORPORATED 558   2018-07-23   
512-855 5 Lockhart TX 158H INVOXIO INCORPORATED 558   2018-07-29   
512-862 6 San Gabriel TX 158H INVOXIO INCORPORATED 558   2018-07-29   
512-898 3 Thorndale-Thrall TX 158H INVOXIO INCORPORATED 558   2018-07-29   
512-957 5 Paige TX 158H INVOXIO INCORPORATED 558   2018-08-05   
512-980 5 McDade TX 158H INVOXIO INCORPORATED 558   2018-08-05   
737-216 6 Taylor TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-225 0 Rockdale TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-227 2 Wimberley TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-233 3 Elgin TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-234 4 Jarrell TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-245 9 Georgetown TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-248 9 Kyle TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-250 5 Martindale TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-260 9 Dripping Springs TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-302 0 Smithville TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-702 9 Granger TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-747 5 Burnet TX 158H INVOXIO INCORPORATED 558   2018-07-23   
737-757 5 Leander TX 158H INVOXIO INCORPORATED 558   2018-07-29   
737-770 A Buda TX 158H INVOXIO INCORPORATED 558      
737-770 0 Buda TX 158H INVOXIO INCORPORATED 558   2018-08-24   
737-881 6 Bastrop TX 158H INVOXIO INCORPORATED 558   2018-07-23   
737-973 9 Briggs TX 158H INVOXIO INCORPORATED 558   2018-08-05   
737-980 A Coupland TX 158H INVOXIO INCORPORATED 558      
737-980 0 Coupland TX 158H INVOXIO INCORPORATED 558   2018-08-30   
737-990 A Austin TX 158H INVOXIO INCORPORATED 558      
737-990 0 Austin TX 158H INVOXIO INCORPORATED 558   2018-07-13   

Last updated: Fri, 03 Nov 2023 21:02:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.