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 72 73 74 75 76 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
817-512 7 Cresson EMS TX 903C ONVOY, LLC - TX 552   2021-10-03   
817-512 8 Cresson EMS TX 903C ONVOY, LLC - TX 552   2021-02-03   
817-512 9 Cresson EMS TX 903C ONVOY, LLC - TX 552   2021-02-03   
817-516 4 Kennedale EMS TX 903C ONVOY, LLC - TX 552   2003-10-27   
817-518 4 Keller TX 903C ONVOY, LLC - TX 552   2022-09-26   
817-518 6 Keller TX 903C ONVOY, LLC - TX 552   2022-09-26   
817-518 7 Keller TX 903C ONVOY, LLC - TX 552   2022-09-26   
817-527 9 Grapevine TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-532 1 Euless TX 903C ONVOY, LLC - TX 552   2021-06-03   
817-532 4 Euless TX 903C ONVOY, LLC - TX 552   2021-02-03   
817-532 6 Euless TX 903C ONVOY, LLC - TX 552   2021-02-03   
817-533 8 Arlington TX 903C ONVOY, LLC - TX 552   2013-10-09   
817-537 3 Atlas TX 903C ONVOY, LLC - TX 552   2021-02-14   
817-539 8 Mansfield TX 903C ONVOY, LLC - TX 552   2004-04-04   
817-541 0 Roanoke TX 903C ONVOY, LLC - TX 552   2021-08-20   
817-541 1 Roanoke TX 903C ONVOY, LLC - TX 552   2021-02-14   
817-541 5 Roanoke TX 903C ONVOY, LLC - TX 552   2021-08-20   
817-541 7 Roanoke TX 903C ONVOY, LLC - TX 552   2009-09-05   
817-541 9 Roanoke TX 903C ONVOY, LLC - TX 552   2013-09-30   
817-546 A Fort Worth TX 903C ONVOY, LLC - TX 552      
817-546 0 Fort Worth TX 903C ONVOY, LLC - TX 552      
817-546 1 Fort Worth TX 903C ONVOY, LLC - TX 552      
817-546 2 Fort Worth TX 903C ONVOY, LLC - TX 552      
817-546 3 Fort Worth TX 903C ONVOY, LLC - TX 552   2006-09-08   
817-546 4 Fort Worth TX 903C ONVOY, LLC - TX 552      
817-546 5 Fort Worth TX 903C ONVOY, LLC - TX 552   2010-05-27   
817-546 6 Fort Worth TX 903C ONVOY, LLC - TX 552   2006-09-02   
817-546 7 Fort Worth TX 903C ONVOY, LLC - TX 552   2006-09-02   
817-546 8 Fort Worth TX 903C ONVOY, LLC - TX 552   2006-09-02   
817-546 9 Fort Worth TX 903C ONVOY, LLC - TX 552      
817-547 0 Fort Worth TX 903C ONVOY, LLC - TX 552   2014-04-04   
817-554 4 Euless TX 903C ONVOY, LLC - TX 552   2021-07-15   
817-554 8 Euless TX 903C ONVOY, LLC - TX 552   2011-09-02   
817-562 7 Keller TX 903C ONVOY, LLC - TX 552   2017-07-02   
817-566 8 Fort Worth TX 903C ONVOY, LLC - TX 552   2005-03-06   
817-567 0 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2016-10-30   
817-567 2 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2010-06-15   
817-567 8 Roanoke EMS TX 903C ONVOY, LLC - TX 552   2003-10-27   
817-580 3 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 4 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 5 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 7 Atlas TX 903C ONVOY, LLC - TX 552   2012-05-18   
817-580 8 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-580 9 Atlas TX 903C ONVOY, LLC - TX 552   2023-08-12   
817-583 8 Arlington EMS TX 903C ONVOY, LLC - TX 552   2010-06-15   
817-586 1 Glendale TX 903C ONVOY, LLC - TX 552   2008-11-17   
817-587 A Alvarado TX 903C ONVOY, LLC - TX 552      
817-587 1 Alvarado TX 903C ONVOY, LLC - TX 552   2020-04-11   
817-587 2 Alvarado TX 903C ONVOY, LLC - TX 552   2020-02-21   
817-587 3 Alvarado TX 903C ONVOY, LLC - TX 552   2020-02-21   

<< 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 72 73 74 75 76 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.