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: AUSTTXGR03Z

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-201 1 Austin TX 903C ONVOY, LLC - TX 558   2012-02-11   
512-201 8 Austin TX 903C ONVOY, LLC - TX 558   2012-10-02   
512-229 0 Elgin TX 903C ONVOY, LLC - TX 558   2012-02-13   
512-229 1 Elgin TX 903C ONVOY, LLC - TX 558   2013-02-20   
512-229 9 Elgin TX 903C ONVOY, LLC - TX 558   2020-09-18   
512-233 6 Austin TX 903C ONVOY, LLC - TX 558   2016-09-04   
512-234 4 Burnet TX 903C ONVOY, LLC - TX 558   2013-09-01   
512-253 3 Paige TX 903C ONVOY, LLC - TX 558   2013-02-20   
512-254 A Austin TX 903C ONVOY, LLC - TX 558      
512-254 0 Austin TX 903C ONVOY, LLC - TX 558   2023-07-18   
512-254 1 Austin TX 903C ONVOY, LLC - TX 558   2023-07-18   
512-254 2 Austin TX 903C ONVOY, LLC - TX 558   2023-07-17   
512-254 3 Austin TX 903C ONVOY, LLC - TX 558   2023-07-17   
512-254 4 Austin TX 903C ONVOY, LLC - TX 558   2023-07-17   
512-254 5 Austin TX 903C ONVOY, LLC - TX 558   2023-07-17   
512-254 7 Austin TX 903C ONVOY, LLC - TX 558   2023-07-17   
512-254 8 Austin TX 903C ONVOY, LLC - TX 558   2023-07-17   
512-256 7 Kyle TX 903C ONVOY, LLC - TX 558   2013-02-20   
512-256 9 Kyle TX 903C ONVOY, LLC - TX 558   2014-04-25   
512-265 3 Burnet TX 903C ONVOY, LLC - TX 558   2011-11-02   
512-265 7 Burnet TX 903C ONVOY, LLC - TX 558   2013-02-20   
512-265 9 Burnet TX 903C ONVOY, LLC - TX 558   2014-04-25   
512-273 4 McDade TX 903C ONVOY, LLC - TX 558   2013-02-20   
512-276 8 Austin TX 903C ONVOY, LLC - TX 558   2004-08-07   
512-277 6 Bertram TX 903C ONVOY, LLC - TX 558   2011-11-02   
512-281 7 Elgin EMS TX 903C ONVOY, LLC - TX 558   2003-11-06   
512-285 8 Elgin TX 903C ONVOY, LLC - TX 558   2004-01-03   
512-299 A Austin TX 903C ONVOY, LLC - TX 558      
512-299 9 Austin TX 903C ONVOY, LLC - TX 558   2002-06-16   
512-309 7 Taylor TX 903C ONVOY, LLC - TX 558   2012-07-13   
512-309 8 Taylor TX 903C ONVOY, LLC - TX 558   2013-02-20   
512-318 2 Austin TX 903C ONVOY, LLC - TX 558   2009-06-24   
512-325 A Leander TX 903C ONVOY, LLC - TX 558      
512-325 2 Leander TX 903C ONVOY, LLC - TX 558   2023-09-30   
512-325 3 Leander TX 903C ONVOY, LLC - TX 558   2023-09-30   
512-325 4 Leander TX 624H ONVOY SPECTRUM, LLC 558   2024-01-15   
512-325 5 Leander TX 624H ONVOY SPECTRUM, LLC 558   2024-01-15   
512-325 6 Leander TX 624H ONVOY SPECTRUM, LLC 558   2024-01-15   
512-325 7 Leander TX 624H ONVOY SPECTRUM, LLC 558   2024-01-15   
512-325 9 Leander TX 624H ONVOY SPECTRUM, LLC 558   2024-01-15   
512-355 6 Bertram TX 903C ONVOY, LLC - TX 558   2013-03-08   
512-359 3 Lockhart TX 903C ONVOY, LLC - TX 558   2011-11-03   
512-359 5 Lockhart TX 903C ONVOY, LLC - TX 558   2016-07-29   
512-359 7 Lockhart TX 903C ONVOY, LLC - TX 558   2013-02-20   
512-359 9 Lockhart TX 903C ONVOY, LLC - TX 558   2019-12-16   
512-361 4 Buda TX 903C ONVOY, LLC - TX 558   2016-03-03   
512-361 5 Buda TX 903C ONVOY, LLC - TX 558   2016-03-03   
512-361 7 Buda TX 903C ONVOY, LLC - TX 558   2014-12-23   
512-375 3 Austin TX 903C ONVOY, LLC - TX 558   2013-08-22   
512-375 4 Austin TX 903C ONVOY, LLC - TX 558   2013-08-22   

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.