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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-989 1 Athens LA 749E ONVOY, LLC - LA 486   2023-09-28   
318-989 7 Athens LA 749E ONVOY, LLC - LA 486   2022-07-30   
318-993 2 Tullos LA 749E ONVOY, LLC - LA 486   2022-12-18   
318-993 8 Tullos LA 749E ONVOY, LLC - LA 486   2023-09-28   
318-995 9 Oil City LA 749E ONVOY, LLC - LA 486   2016-04-18   
318-996 0 Mooringsport LA 749E ONVOY, LLC - LA 486   2016-04-01   
318-996 9 Mooringsport LA 749E ONVOY, LLC - LA 486   2016-04-01   
430-233 0 Vivian TX 903C ONVOY, LLC - TX 486   2021-01-30   
430-233 1 Vivian TX 903C ONVOY, LLC - TX 486   2021-01-30   
430-233 4 Vivian TX 903C ONVOY, LLC - TX 486   2019-10-24   
430-233 5 Vivian TX 903C ONVOY, LLC - TX 486   2020-08-27   
430-233 6 Vivian TX 903C ONVOY, LLC - TX 486   2020-08-27   
430-233 7 Vivian TX 903C ONVOY, LLC - TX 486   2020-08-27   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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