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: WACOTX01XDY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-342 A Waco TX 197D VONAGE AMERICA LLC 556      
254-342 0 Waco TX 197D VONAGE AMERICA LLC 556   2018-05-04   
254-492 3 Waco TX 197D VONAGE AMERICA LLC 556   2024-08-25   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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