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
430-204 0 Douglassville TX 624H ONVOY SPECTRUM, LLC 554   2024-12-27   
430-286 8 Winnsboro TX 624H ONVOY SPECTRUM, LLC 554   2024-12-27   
430-324 3 Atlanta TX 624H ONVOY SPECTRUM, LLC 554   2024-12-27   
430-354 5 Lindale Swan TX 624H ONVOY SPECTRUM, LLC 554   2024-12-27   
430-432 A Omaha TX 624H ONVOY SPECTRUM, LLC 554   2024-12-27   
430-432 4 Omaha TX 624H ONVOY SPECTRUM, LLC 554   2024-12-27   
903-977 7 New Summerfield TX 624H ONVOY SPECTRUM, LLC 554   2024-12-27   

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

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