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: FRBGTXXA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-362 0 Fredericksburg TX 903C ONVOY, LLC - TX 566   2023-10-23   
830-371 A Marble Falls TX 903C ONVOY, LLC - TX 566      
830-371 0 Marble Falls TX 903C ONVOY, LLC - TX 566   2023-08-26   
830-371 3 Marble Falls TX 903C ONVOY, LLC - TX 566   2022-11-04   
830-430 A Fredericksburg TX 903C ONVOY, LLC - TX 566      
830-430 2 Fredericksburg TX 903C ONVOY, LLC - TX 566   2023-10-29   
830-554 4 Blanco TX 903C ONVOY, LLC - TX 566   2021-09-03   
830-644 6 Stonewall TX 903C ONVOY, LLC - TX 566   2021-09-03   
830-685 5 Willow City TX 903C ONVOY, LLC - TX 566   2021-09-03   
830-825 6 Round Mountain TX 903C ONVOY, LLC - TX 566   2021-09-03   
830-984 A Johnson City TX 903C ONVOY, LLC - TX 566      
830-984 0 Johnson City TX 903C ONVOY, LLC - TX 566   2022-12-15   
830-984 4 Johnson City TX 903C ONVOY, LLC - TX 566   2021-09-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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