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: AMRLTX02X7Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
806-207 3 Lefors TX 073H TELNYX LLC 546   2021-03-21   
806-207 9 Lefors TX 073H TELNYX LLC 546   2022-02-12   
806-217 9 Canadian TX 073H TELNYX LLC 546   2021-03-10   
806-230 9 Hart TX 073H TELNYX LLC 546   2021-03-19   
806-240 9 Dimmitt TX 073H TELNYX LLC 546   2021-03-12   
806-255 8 Canadian TX 073H TELNYX LLC 546   2022-03-20   
806-256 0 Shamrock TX 073H TELNYX LLC 546   2021-04-08   
806-307 4 Skellytown TX 073H TELNYX LLC 546   2021-04-09   
806-338 5 Gruver TX 073H TELNYX LLC 546   2021-03-19   
806-363 2 Hereford TX 073H TELNYX LLC 546   2021-03-19   
806-375 0 Allison TX 073H TELNYX LLC 546   2021-02-27   
806-419 2 Pampa TX 073H TELNYX LLC 546   2021-03-24   
806-425 8 Wheeler TX 073H TELNYX LLC 546   2021-04-09   
806-452 0 Canyon TX 073H TELNYX LLC 546   2021-03-10   
806-484 9 Amarillo TX 073H TELNYX LLC 546   2024-10-12   
806-531 7 Sanford TX 073H TELNYX LLC 546   2022-05-14   
806-541 0 Dimmitt TX 073H TELNYX LLC 546   2022-11-10   
806-547 6 Fritch TX 073H TELNYX LLC 546   2021-03-18   
806-552 3 Nazareth TX 073H TELNYX LLC 546   2021-03-22   
806-621 0 Borger TX 073H TELNYX LLC 546   2021-03-07   
806-699 A Amarillo TX 073H TELNYX LLC 546      
806-699 1 Amarillo TX 073H TELNYX LLC 546   2020-01-23   
806-779 3 McLean TX 073H TELNYX LLC 546   2021-03-22   
806-835 4 Lefors TX 073H TELNYX LLC 546   2023-05-20   
806-836 0 Stinnett TX 073H TELNYX LLC 546   2021-04-09   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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