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
430-758 5 Sulphur Springs TX 903C ONVOY, LLC - TX 552   2021-11-21   
430-758 8 Sulphur Springs TX 903C ONVOY, LLC - TX 552   2021-11-21   
430-775 7 Corsicana TX 903C ONVOY, LLC - TX 552   2016-03-28   
430-775 8 Corsicana TX 903C ONVOY, LLC - TX 552   2016-03-28   
430-803 1 Jackson TX 903C ONVOY, LLC - TX 552   2016-04-11   
430-803 2 Jackson TX 903C ONVOY, LLC - TX 552   2016-04-11   
430-808 3 Lone Oak TX 903C ONVOY, LLC - TX 552   2016-03-02   
430-808 4 Lone Oak TX 903C ONVOY, LLC - TX 552   2016-03-02   
430-808 5 Lone Oak TX 903C ONVOY, LLC - TX 552   2016-04-02   
430-808 7 Lone Oak TX 903C ONVOY, LLC - TX 552   2013-12-06   
430-808 8 Lone Oak TX 903C ONVOY, LLC - TX 552   2013-12-06   
430-808 9 Lone Oak TX 903C ONVOY, LLC - TX 552   2016-04-02   
430-900 4 Paris TX 903C ONVOY, LLC - TX 552   2023-08-12   
430-900 5 Paris TX 903C ONVOY, LLC - TX 552   2023-08-12   
430-900 6 Paris TX 903C ONVOY, LLC - TX 552   2023-08-12   
469-202 4 Celina TX 903C ONVOY, LLC - TX 552   2010-06-15   
469-202 5 Celina TX 903C ONVOY, LLC - TX 552   2012-12-14   
469-202 6 Celina TX 903C ONVOY, LLC - TX 552   2012-12-14   
469-202 7 Celina TX 903C ONVOY, LLC - TX 552   2008-08-02   
469-202 8 Celina TX 903C ONVOY, LLC - TX 552   2011-04-01   
469-202 9 Celina TX 903C ONVOY, LLC - TX 552   2012-12-14   
469-206 1 Dallas TX 903C ONVOY, LLC - TX 552   2011-12-16   
469-206 2 Dallas TX 903C ONVOY, LLC - TX 552   2011-12-16   
469-210 A Dallas TX 903C ONVOY, LLC - TX 552      
469-210 0 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 1 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 2 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 3 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 4 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 5 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 6 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 7 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 8 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-210 9 Dallas TX 903C ONVOY, LLC - TX 552   2016-01-18   
469-214 4 Palmer TX 903C ONVOY, LLC - TX 552   2012-07-06   
469-214 6 Palmer TX 903C ONVOY, LLC - TX 552   2013-02-03   
469-214 7 Palmer TX 903C ONVOY, LLC - TX 552   2011-09-18   
469-217 A Venus TX 903C ONVOY, LLC - TX 552   2025-01-10   
469-217 0 Venus TX 903C ONVOY, LLC - TX 552   2025-03-01   
469-217 3 Venus TX 903C ONVOY, LLC - TX 552   2012-12-16   
469-217 4 Venus TX 903C ONVOY, LLC - TX 552   2012-12-16   
469-217 5 Venus TX 903C ONVOY, LLC - TX 552   2012-12-16   
469-217 6 Venus TX 903C ONVOY, LLC - TX 552   2013-02-03   
469-218 A Red Oak TX 903C ONVOY, LLC - TX 552      
469-219 8 McKinney EMS TX 903C ONVOY, LLC - TX 552   2010-04-24   
469-225 A Red Oak TX 903C ONVOY, LLC - TX 552      
469-225 2 Red Oak TX 903C ONVOY, LLC - TX 552   2008-11-01   
469-225 8 Red Oak TX 903C ONVOY, LLC - TX 552   2004-03-11   
469-228 8 Maypearl TX 903C ONVOY, LLC - TX 552   2022-10-10   
469-234 A Frisco TX 903C ONVOY, LLC - TX 552      

<< 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: LES.NET

Like this site? We accept donations via PayPal.