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
832-365 4 Channelview TX 903C ONVOY, LLC - TX 560   2012-06-18   
832-365 8 Channelview TX 903C ONVOY, LLC - TX 560   2013-04-08   
832-371 9 Houston TX 903C ONVOY, LLC - TX 560   2013-05-16   
832-376 3 Channelview TX 903C ONVOY, LLC - TX 560   2010-11-15   
832-376 6 Channelview TX 903C ONVOY, LLC - TX 560   2013-02-02   
832-376 7 Channelview TX 903C ONVOY, LLC - TX 560   2011-06-09   
832-379 2 Houston Suburban TX 903C ONVOY, LLC - TX 560   2008-07-27   
832-380 2 Houston TX 903C ONVOY, LLC - TX 560   2008-06-12   
832-380 3 Houston TX 903C ONVOY, LLC - TX 560   2008-06-12   
832-381 2 Spring EMS TX 903C ONVOY, LLC - TX 560   2005-05-04   
832-381 3 Spring EMS TX 903C ONVOY, LLC - TX 560   2005-05-19   
832-384 1 Houston TX 903C ONVOY, LLC - TX 560   2008-02-14   
832-389 3 Houston TX 903C ONVOY, LLC - TX 560   2013-05-21   
832-391 5 Barker TX 903C ONVOY, LLC - TX 560   2012-06-18   
832-399 A Houston Suburban TX 903C ONVOY, LLC - TX 560      
832-399 0 Houston Suburban TX 903C ONVOY, LLC - TX 560   2025-10-20   
832-399 3 Houston Suburban TX 903C ONVOY, LLC - TX 560      
832-399 4 Houston Suburban TX 903C ONVOY, LLC - TX 560      
832-399 5 Houston Suburban TX 903C ONVOY, LLC - TX 560      
832-399 6 Houston Suburban TX 903C ONVOY, LLC - TX 560      
832-399 8 Houston Suburban TX 903C ONVOY, LLC - TX 560      
832-399 9 Houston Suburban TX 903C ONVOY, LLC - TX 560      
832-400 3 Alvin TX 903C ONVOY, LLC - TX 560   2020-05-27   
832-400 4 Alvin TX 903C ONVOY, LLC - TX 560   2020-05-27   
832-400 5 Alvin TX 903C ONVOY, LLC - TX 560   2020-05-27   
832-400 6 Alvin TX 903C ONVOY, LLC - TX 560   2020-05-27   
832-400 7 Alvin TX 903C ONVOY, LLC - TX 560   2020-05-27   
832-400 8 Alvin TX 903C ONVOY, LLC - TX 560   2020-05-27   
832-402 6 Cypress TX 903C ONVOY, LLC - TX 560   2020-09-26   
832-402 7 Cypress TX 903C ONVOY, LLC - TX 560   2020-09-26   
832-402 8 Cypress TX 903C ONVOY, LLC - TX 560   2020-09-26   
832-404 6 Houston TX 903C ONVOY, LLC - TX 560   2013-06-14   
832-406 3 Houston Suburban TX 903C ONVOY, LLC - TX 560   2012-10-12   
832-408 A Houston TX 903C ONVOY, LLC - TX 560      
832-408 9 Houston TX 903C ONVOY, LLC - TX 560   2009-12-26   
832-410 3 Houston TX 903C ONVOY, LLC - TX 560   2013-05-21   
832-412 7 Humble TX 903C ONVOY, LLC - TX 560   2011-11-18   
832-413 A Houston TX 903C ONVOY, LLC - TX 560      
832-413 0 Houston TX 903C ONVOY, LLC - TX 560   2008-04-17   
832-415 3 Apollo TX 903C ONVOY, LLC - TX 560   2012-06-18   
832-415 5 Apollo TX 903C ONVOY, LLC - TX 560   2010-11-15   
832-416 7 Houston TX 903C ONVOY, LLC - TX 560   2013-05-16   
832-416 8 Houston TX 903C ONVOY, LLC - TX 560   2013-05-16   
832-427 3 Langham Creek TX 903C ONVOY, LLC - TX 560   2012-12-25   
832-430 1 Houston Suburban TX 903C ONVOY, LLC - TX 560   2015-01-04   
832-430 2 Houston Suburban TX 903C ONVOY, LLC - TX 560   2015-01-04   
832-430 3 Houston Suburban TX 903C ONVOY, LLC - TX 560   2015-01-04   
832-430 4 Houston Suburban TX 903C ONVOY, LLC - TX 560   2015-01-04   
832-430 5 Houston Suburban TX 903C ONVOY, LLC - TX 560   2015-01-04   
832-430 6 Houston Suburban TX 903C ONVOY, LLC - TX 560   2015-01-04   

<< 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: LES.NET

Like this site? We accept donations via PayPal.