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: DNTNTXXAX7Y

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-305 2 Aubrey TX 903C ONVOY, LLC - TX 552   2016-03-25   
940-305 6 Aubrey TX 903C ONVOY, LLC - TX 552   2018-07-05   
940-306 A Tioga TX 903C ONVOY, LLC - TX 552      
940-306 2 Tioga TX 903C ONVOY, LLC - TX 552   2021-03-07   
940-306 3 Tioga TX 903C ONVOY, LLC - TX 552   2021-03-07   
940-306 4 Tioga TX 903C ONVOY, LLC - TX 552   2021-07-17   
940-306 6 Tioga TX 903C ONVOY, LLC - TX 552   2021-06-28   
940-306 7 Tioga TX 903C ONVOY, LLC - TX 552   2021-04-12   
940-306 9 Tioga TX 903C ONVOY, LLC - TX 552   2022-12-11   
940-310 A Tioga TX 903C ONVOY, LLC - TX 552      
940-310 3 Tioga TX 903C ONVOY, LLC - TX 552   2018-07-23   
940-310 5 Tioga TX 903C ONVOY, LLC - TX 552   2018-12-15   
940-310 6 Tioga TX 903C ONVOY, LLC - TX 552   2018-12-15   
940-310 7 Tioga TX 903C ONVOY, LLC - TX 552   2016-05-23   
940-310 8 Tioga TX 903C ONVOY, LLC - TX 552   2016-05-23   
940-315 7 Denton TX 903C ONVOY, LLC - TX 552   2016-01-11   
940-326 4 Lake Dallas TX 903C ONVOY, LLC - TX 552   2019-08-13   
940-326 5 Lake Dallas TX 903C ONVOY, LLC - TX 552   2019-08-13   
940-326 7 Lake Dallas TX 903C ONVOY, LLC - TX 552   2020-08-17   
940-334 5 Denton TX 903C ONVOY, LLC - TX 552   2023-03-06   
940-334 7 Denton TX 903C ONVOY, LLC - TX 552   2023-05-20   
940-334 8 Denton TX 903C ONVOY, LLC - TX 552   2023-05-20   
940-336 1 Gainesville TX 903C ONVOY, LLC - TX 552   2021-11-21   
940-336 2 Gainesville TX 903C ONVOY, LLC - TX 552   2024-06-07   
940-336 4 Gainesville TX 903C ONVOY, LLC - TX 552   2020-12-19   
940-336 7 Gainesville TX 903C ONVOY, LLC - TX 552   2021-11-21   
940-336 9 Gainesville TX 903C ONVOY, LLC - TX 552   2020-12-19   
940-343 7 Aubrey TX 903C ONVOY, LLC - TX 552   2009-07-23   
940-344 7 Lake Dallas TX 903C ONVOY, LLC - TX 552   2023-08-12   
940-344 8 Lake Dallas TX 903C ONVOY, LLC - TX 552   2023-08-12   
940-354 A Denton TX 903C ONVOY, LLC - TX 552      
940-354 2 Denton TX 903C ONVOY, LLC - TX 552   2023-08-28   
940-363 5 Lake Dallas TX 903C ONVOY, LLC - TX 552   2024-07-08   
940-363 7 Lake Dallas TX 903C ONVOY, LLC - TX 552   2024-03-03   
940-363 8 Lake Dallas TX 903C ONVOY, LLC - TX 552   2024-03-03   
940-373 5 Justin TX 903C ONVOY, LLC - TX 552   2020-08-17   
940-373 6 Justin TX 903C ONVOY, LLC - TX 552   2020-08-17   
940-373 7 Justin TX 903C ONVOY, LLC - TX 552   2020-08-17   
940-377 0 Denton TX 903C ONVOY, LLC - TX 552   2025-04-12   
940-407 1 Denton TX 903C ONVOY, LLC - TX 552   2026-01-26   
940-407 6 Denton TX 903C ONVOY, LLC - TX 552   2026-06-13   
940-413 A Denton TX 903C ONVOY, LLC - TX 552   2026-07-11   
940-413 0 Denton TX 903C ONVOY, LLC - TX 552   2026-07-11   
940-413 1 Denton TX 903C ONVOY, LLC - TX 552   2026-07-11   
940-435 7 Denton TX 903C ONVOY, LLC - TX 552   2008-10-10   
940-440 8 Aubrey EMS TX 903C ONVOY, LLC - TX 552   2007-07-28   
940-448 2 Bartonville TX 903C ONVOY, LLC - TX 552   2016-03-21   
940-448 3 Bartonville TX 903C ONVOY, LLC - TX 552   2016-03-21   
940-448 9 Bartonville TX 903C ONVOY, LLC - TX 552   2023-10-29   
940-455 0 Bartonville TX 903C ONVOY, LLC - TX 552   2023-10-29   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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