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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
972-928 6 Frisco TX 903C ONVOY, LLC - TX 552   2022-07-04   
972-928 7 Frisco TX 903C ONVOY, LLC - TX 552   2022-07-04   
972-928 8 Frisco TX 903C ONVOY, LLC - TX 552   2022-07-04   
972-928 9 Frisco TX 903C ONVOY, LLC - TX 552   2022-07-04   
972-944 0 Dallas TX 903C ONVOY, LLC - TX 552   2024-02-25   
972-944 5 Dallas TX 903C ONVOY, LLC - TX 552   2024-02-25   
972-944 7 Dallas TX 903C ONVOY, LLC - TX 552   2024-04-15   
972-944 8 Dallas TX 903C ONVOY, LLC - TX 552   2024-02-25   
972-944 9 Dallas TX 903C ONVOY, LLC - TX 552   2024-02-25   
972-945 4 Josephine TX 903C ONVOY, LLC - TX 552   2020-02-10   
972-945 5 Josephine TX 903C ONVOY, LLC - TX 552   2020-02-10   
972-945 6 Josephine TX 903C ONVOY, LLC - TX 552   2020-02-10   
972-945 7 Josephine TX 903C ONVOY, LLC - TX 552   2020-02-10   
972-945 8 Josephine TX 903C ONVOY, LLC - TX 552   2020-02-10   
972-945 9 Josephine TX 903C ONVOY, LLC - TX 552   2020-02-10   
972-954 A Allen TX 903C ONVOY, LLC - TX 552      
972-954 2 Allen TX 903C ONVOY, LLC - TX 552   2014-10-31   
972-954 4 Allen TX 903C ONVOY, LLC - TX 552   2014-10-03   
972-954 6 Allen TX 903C ONVOY, LLC - TX 552   2014-12-03   
972-954 8 Allen TX 903C ONVOY, LLC - TX 552   2003-10-25   
972-961 8 Rockwall TX 903C ONVOY, LLC - TX 552   2004-01-03   
972-968 7 Dallas TX 903C ONVOY, LLC - TX 552   2009-02-11   
972-968 8 Dallas TX 903C ONVOY, LLC - TX 552   2009-02-11   
972-968 9 Dallas TX 903C ONVOY, LLC - TX 552   2009-02-11   
972-970 A Grand Prairie TX 903C ONVOY, LLC - TX 552      
972-970 0 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 1 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 2 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 3 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 4 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 5 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 6 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 7 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 8 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-970 9 Grand Prairie TX 903C ONVOY, LLC - TX 552   2022-04-29   
972-972 A Dallas TX 903C ONVOY, LLC - TX 552      
972-972 9 Dallas TX 903C ONVOY, LLC - TX 552   2017-12-17   
972-975 5 Grand Prairie EMS TX 903C ONVOY, LLC - TX 552   2011-04-26   
972-975 6 Grand Prairie EMS TX 903C ONVOY, LLC - TX 552   2011-04-26   
972-984 2 McKinney TX 903C ONVOY, LLC - TX 552   2008-09-13   
972-984 7 McKinney TX 903C ONVOY, LLC - TX 552   2008-08-02   
972-992 9 Grand Prairie TX 903C ONVOY, LLC - TX 552   2024-07-05   

<< 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

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.