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: DCTRTXXATMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-204 A Santo TX 903C ONVOY, LLC - TX 552      
940-204 1 Santo TX 903C ONVOY, LLC - TX 552   2022-12-12   
940-446 0 Graford TX 903C ONVOY, LLC - TX 552   2023-09-18   
940-470 0 Possum Kingdom Lake TX 903C ONVOY, LLC - TX 552   2023-09-18   
940-980 1 Decatur TX 903C ONVOY, LLC - TX 552   2023-10-29   
940-980 2 Decatur TX 903C ONVOY, LLC - TX 552   2023-10-29   
940-980 3 Decatur TX 903C ONVOY, LLC - TX 552   2023-10-29   
940-980 4 Decatur TX 903C ONVOY, LLC - TX 552   2023-10-29   
940-980 5 Decatur TX 903C ONVOY, LLC - TX 552   2023-10-29   

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

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