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: SNANTXCA80Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-952 A Laredo TX 624H ONVOY SPECTRUM, LLC 566      
956-952 1 Laredo TX 624H ONVOY SPECTRUM, LLC 566      
956-952 6 Laredo TX 624H ONVOY SPECTRUM, LLC 566      
956-955 3 Laredo TX 624H ONVOY SPECTRUM, LLC 566      
956-955 4 Laredo TX 624H ONVOY SPECTRUM, LLC 566      
956-964 A Encinal TX 624H ONVOY SPECTRUM, LLC 566      
956-964 6 Encinal TX 624H ONVOY SPECTRUM, LLC 566      
956-964 7 Encinal TX 624H ONVOY SPECTRUM, LLC 566      
956-964 8 Encinal TX 624H ONVOY SPECTRUM, LLC 566      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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