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: HSTNTXYADS5

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
832-833 4 Houston TX 903C ONVOY, LLC - TX 560   2013-06-04   
832-835 5 Deer Park TX 903C ONVOY, LLC - TX 560   2014-11-26   
832-835 6 Deer Park TX 903C ONVOY, LLC - TX 560   2014-11-26   
832-841 2 Richmond-Rosenberg TX 903C ONVOY, LLC - TX 560   2014-12-21   
832-841 3 Richmond-Rosenberg TX 903C ONVOY, LLC - TX 560   2014-12-21   
832-841 4 Richmond-Rosenberg TX 903C ONVOY, LLC - TX 560   2014-12-21   
832-843 1 Tomball TX 903C ONVOY, LLC - TX 560   2020-09-26   
832-843 2 Tomball TX 903C ONVOY, LLC - TX 560   2020-09-26   
832-843 5 Tomball TX 903C ONVOY, LLC - TX 560   2010-07-10   
832-843 8 Tomball TX 903C ONVOY, LLC - TX 560   2013-01-10   
832-843 9 Tomball TX 903C ONVOY, LLC - TX 560   2013-01-10   
832-848 1 Houston TX 903C ONVOY, LLC - TX 560   2010-04-06   
832-848 2 Houston TX 903C ONVOY, LLC - TX 560   2010-04-06   
832-850 1 Houston Suburban TX 903C ONVOY, LLC - TX 560   2013-02-11   
832-852 0 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-852 1 Houston TX 903C ONVOY, LLC - TX 560   2020-11-30   
832-852 2 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-852 3 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-852 5 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-852 6 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-852 7 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-852 8 Houston TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-861 1 La Porte TX 903C ONVOY, LLC - TX 560   2012-12-17   
832-861 3 La Porte TX 903C ONVOY, LLC - TX 560   2010-11-15   
832-861 4 La Porte TX 903C ONVOY, LLC - TX 560   2021-07-17   
832-861 7 La Porte TX 903C ONVOY, LLC - TX 560   2011-11-21   
832-861 9 La Porte TX 903C ONVOY, LLC - TX 560   2021-07-17   
832-862 5 Alvin TX 903C ONVOY, LLC - TX 560   2013-05-28   
832-862 8 Alvin TX 903C ONVOY, LLC - TX 560   2014-12-03   
832-895 2 Friendswood TX 903C ONVOY, LLC - TX 560   2024-05-31   
832-895 4 Friendswood TX 903C ONVOY, LLC - TX 560   2010-11-15   
832-900 7 Houston TX 903C ONVOY, LLC - TX 560   2011-01-28   
832-906 7 Langham Creek TX 903C ONVOY, LLC - TX 560   2016-03-14   
832-906 8 Langham Creek TX 903C ONVOY, LLC - TX 560   2016-03-14   
832-912 5 Satsuma TX 903C ONVOY, LLC - TX 560   2012-02-12   
832-915 4 Apollo TX 903C ONVOY, LLC - TX 560   2015-07-11   
832-922 4 Houston TX 903C ONVOY, LLC - TX 560   2005-03-06   
832-922 6 Houston TX 903C ONVOY, LLC - TX 560   2005-03-06   
832-934 5 Pinehurst TX 903C ONVOY, LLC - TX 560   2013-03-02   
832-934 6 Pinehurst TX 903C ONVOY, LLC - TX 560   2013-03-02   
832-934 7 Pinehurst TX 903C ONVOY, LLC - TX 560   2011-09-02   
832-937 0 Arcola TX 903C ONVOY, LLC - TX 560   2020-11-28   
832-937 1 Arcola TX 903C ONVOY, LLC - TX 560   2021-07-02   
832-937 6 Arcola TX 903C ONVOY, LLC - TX 560   2012-12-13   
832-937 7 Arcola TX 903C ONVOY, LLC - TX 560   2016-03-14   
832-937 8 Arcola TX 903C ONVOY, LLC - TX 560   2012-12-13   
832-937 9 Arcola TX 903C ONVOY, LLC - TX 560   2020-09-26   
832-940 7 Houston TX 903C ONVOY, LLC - TX 560   2014-12-04   
832-940 9 Houston TX 903C ONVOY, LLC - TX 560   2014-12-04   
832-941 3 Houston TX 903C ONVOY, LLC - TX 560   2013-12-22   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.