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.
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Switch: SNANTXCA90Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
726-610 A San Antonio TX 566J RADIANTIQ LLC 566      
726-610 6 San Antonio TX 566J RADIANTIQ LLC 566   2021-02-07   
956-952 5 Laredo TX 939H COMMIO, LLC 566   2021-12-26   

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

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