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: PTLVTXXAMMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-250 1 Port Lavaca TX 624H ONVOY SPECTRUM, LLC 564   2023-02-08   
361-284 9 Vanderbilt TX 624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-286 4 Tivoli TX 624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-351 A Bloomington TX 624H ONVOY SPECTRUM, LLC 564   2024-02-09   
361-351 0 Bloomington TX 624H ONVOY SPECTRUM, LLC 564   2024-02-09   
361-403 2 Palacios TX 624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-408 2 Port O'Connor TX 624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-487 7 Port Lavaca TX 624H ONVOY SPECTRUM, LLC 564   2021-12-09   
361-487 8 Port Lavaca TX 624H ONVOY SPECTRUM, LLC 564   2021-12-09   
361-787 3 Seadrift TX 624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-789 3 Point Comfort TX 624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-837 8 Blessing TX 624H ONVOY SPECTRUM, LLC 564   2024-01-05   
361-901 A Port Lavaca TX 624H ONVOY SPECTRUM, LLC 564      
361-901 9 Port Lavaca TX 624H ONVOY SPECTRUM, LLC 564   2021-05-21   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

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