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
817-674 5 Roanoke TX 903C ONVOY, LLC - TX 552   2026-05-30   
817-674 6 Roanoke TX 903C ONVOY, LLC - TX 552      
817-674 9 Roanoke TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-676 9 Arlington TX 903C ONVOY, LLC - TX 552   2003-07-21   
817-678 0 Kennedale TX 903C ONVOY, LLC - TX 552   2022-11-26   
817-678 1 Kennedale TX 903C ONVOY, LLC - TX 552   2022-11-26   
817-678 2 Kennedale TX 903C ONVOY, LLC - TX 552   2022-02-05   
817-678 3 Kennedale TX 903C ONVOY, LLC - TX 552   2022-02-05   
817-678 4 Kennedale TX 903C ONVOY, LLC - TX 552   2022-11-26   
817-686 A Atlas TX 903C ONVOY, LLC - TX 552      
817-686 0 Atlas TX 903C ONVOY, LLC - TX 552      
817-686 1 Atlas TX 903C ONVOY, LLC - TX 552      
817-686 2 Atlas TX 903C ONVOY, LLC - TX 552      
817-686 3 Atlas TX 903C ONVOY, LLC - TX 552      
817-686 4 Atlas TX 903C ONVOY, LLC - TX 552      
817-686 7 Atlas TX 903C ONVOY, LLC - TX 552      
817-686 8 Atlas TX 903C ONVOY, LLC - TX 552      
817-687 A Glendale TX 903C ONVOY, LLC - TX 552      
817-687 0 Glendale TX 903C ONVOY, LLC - TX 552      
817-687 1 Glendale TX 903C ONVOY, LLC - TX 552      
817-687 2 Glendale TX 903C ONVOY, LLC - TX 552      
817-687 3 Glendale TX 903C ONVOY, LLC - TX 552      
817-687 4 Glendale TX 903C ONVOY, LLC - TX 552      
817-687 5 Glendale TX 903C ONVOY, LLC - TX 552      
817-693 3 Roanoke TX 903C ONVOY, LLC - TX 552   2012-05-09   
817-693 8 Roanoke TX 903C ONVOY, LLC - TX 552   2017-06-25   
817-695 5 Arlington EMS TX 903C ONVOY, LLC - TX 552   2009-06-11   
817-697 0 Keller TX 903C ONVOY, LLC - TX 552   2016-02-29   
817-697 1 Keller TX 903C ONVOY, LLC - TX 552   2016-02-29   
817-697 2 Keller TX 903C ONVOY, LLC - TX 552   2010-06-15   
817-697 7 Keller TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-697 8 Keller TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-697 9 Keller TX 903C ONVOY, LLC - TX 552   2018-03-16   
817-701 A Arlington TX 903C ONVOY, LLC - TX 552      
817-701 0 Arlington TX 903C ONVOY, LLC - TX 552      
817-701 1 Arlington TX 903C ONVOY, LLC - TX 552      
817-701 2 Arlington TX 903C ONVOY, LLC - TX 552      
817-701 3 Arlington TX 903C ONVOY, LLC - TX 552      
817-701 4 Arlington TX 903C ONVOY, LLC - TX 552   2006-09-08   
817-701 7 Arlington TX 903C ONVOY, LLC - TX 552      
817-704 6 Arlington TX 903C ONVOY, LLC - TX 552   2008-01-11   
817-704 7 Arlington TX 903C ONVOY, LLC - TX 552   2008-01-11   
817-710 1 Fort Worth TX 903C ONVOY, LLC - TX 552   2008-01-29   
817-710 2 Fort Worth TX 903C ONVOY, LLC - TX 552   2008-01-29   
817-710 3 Fort Worth TX 903C ONVOY, LLC - TX 552   2008-04-25   
817-710 4 Fort Worth TX 903C ONVOY, LLC - TX 552   2008-07-08   
817-710 5 Fort Worth TX 903C ONVOY, LLC - TX 552   2008-07-08   
817-710 6 Fort Worth TX 903C ONVOY, LLC - TX 552   2008-07-08   
817-710 7 Fort Worth TX 903C ONVOY, LLC - TX 552   2010-09-22   
817-710 8 Fort Worth TX 903C ONVOY, LLC - TX 552   2010-09-22   

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

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.