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: DLLSTXALDS4

<< 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 60 61 62 63 64 65 66 67 68 69 70 71 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
469-234 3 Frisco TX 903C ONVOY, LLC - TX 552      
469-238 A Frisco TX 903C ONVOY, LLC - TX 552      
469-238 1 Frisco TX 903C ONVOY, LLC - TX 552      
469-238 2 Frisco TX 903C ONVOY, LLC - TX 552      
469-247 0 McKinney TX 903C ONVOY, LLC - TX 552   2008-10-11   
469-248 8 Dallas TX 903C ONVOY, LLC - TX 552   2009-02-13   
469-249 3 Dallas TX 903C ONVOY, LLC - TX 552   2012-08-10   
469-249 8 Dallas TX 903C ONVOY, LLC - TX 552   2012-08-23   
469-250 8 Dallas TX 903C ONVOY, LLC - TX 552   2011-11-08   
469-252 8 Frisco TX 903C ONVOY, LLC - TX 552   2003-10-25   
469-253 2 Venus TX 903C ONVOY, LLC - TX 552   2021-07-17   
469-253 6 Venus TX 903C ONVOY, LLC - TX 552   2012-07-06   
469-253 7 Venus TX 903C ONVOY, LLC - TX 552   2016-05-06   
469-253 8 Venus TX 903C ONVOY, LLC - TX 552   2008-11-21   
469-253 9 Venus TX 903C ONVOY, LLC - TX 552   2021-07-17   
469-256 3 Ennis TX 903C ONVOY, LLC - TX 552   2008-11-01   
469-256 4 Ennis TX 903C ONVOY, LLC - TX 552   2013-10-27   
469-256 6 Ennis TX 903C ONVOY, LLC - TX 552   2010-06-15   
469-256 7 Ennis TX 903C ONVOY, LLC - TX 552   2012-05-18   
469-256 9 Ennis TX 903C ONVOY, LLC - TX 552   2025-09-27   
469-259 A Dallas TX 903C ONVOY, LLC - TX 552      
469-259 2 Dallas TX 903C ONVOY, LLC - TX 552      
469-259 3 Dallas TX 903C ONVOY, LLC - TX 552   2022-10-10   
469-259 4 Dallas TX 903C ONVOY, LLC - TX 552   2022-10-14   
469-259 5 Dallas TX 903C ONVOY, LLC - TX 552   2022-10-10   
469-259 6 Dallas TX 903C ONVOY, LLC - TX 552   2022-10-10   
469-259 7 Dallas TX 903C ONVOY, LLC - TX 552   2022-10-14   
469-259 8 Dallas TX 903C ONVOY, LLC - TX 552   2022-10-10   
469-259 9 Dallas TX 903C ONVOY, LLC - TX 552   2022-10-14   
469-263 1 Grand Prairie EMS TX 903C ONVOY, LLC - TX 552   2009-11-05   
469-264 8 Rockwall TX 903C ONVOY, LLC - TX 552   2011-11-14   
469-270 7 Allen TX 903C ONVOY, LLC - TX 552   2012-12-14   
469-270 8 Allen TX 903C ONVOY, LLC - TX 552   2012-12-14   
469-272 8 Cedar Hill TX 903C ONVOY, LLC - TX 552   2004-01-03   
469-273 1 Rockwall TX 903C ONVOY, LLC - TX 552   2010-06-15   
469-273 6 Rockwall TX 903C ONVOY, LLC - TX 552   2009-07-27   
469-278 7 Grand Prairie EMS TX 903C ONVOY, LLC - TX 552   2011-02-22   
469-283 5 Dallas TX 903C ONVOY, LLC - TX 552   2014-01-17   
469-283 6 Dallas TX 903C ONVOY, LLC - TX 552   2014-01-17   
469-285 7 Waxahachie EMS TX 903C ONVOY, LLC - TX 552   2008-11-01   
469-286 0 Grand Prairie EMS TX 903C ONVOY, LLC - TX 552   2007-06-07   
469-287 9 Frisco EACS TX 903C ONVOY, LLC - TX 552   2008-11-01   
469-290 A Forney TX 903C ONVOY, LLC - TX 552      
469-290 0 Forney TX 903C ONVOY, LLC - TX 552   2016-04-18   
469-290 1 Forney TX 903C ONVOY, LLC - TX 552   2016-04-18   
469-290 3 Forney TX 903C ONVOY, LLC - TX 552   2017-11-04   
469-290 7 Forney TX 903C ONVOY, LLC - TX 552   2020-01-27   
469-290 8 Forney TX 903C ONVOY, LLC - TX 552   2020-01-27   
469-290 9 Forney TX 903C ONVOY, LLC - TX 552   2020-01-27   
469-294 8 Frisco TX 903C ONVOY, LLC - TX 552   2014-11-11   

<< 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 60 61 62 63 64 65 66 67 68 69 70 71 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.