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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Wyoming, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-454 A   593K MCC TELEPHONY LLC 635      
563-454 1   6529 T-MOBILE USA, INC. 635      
563-454 2 CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
563-454 4   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
563-454 5 CDRRIAAXUMD  5562 METROPCS, INC. 635      
563-454 6 IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635      
563-454 8 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
563-454 9   593K MCC TELEPHONY LLC 635      
563-488 A WYNGIAXO1MD  1343 WYOMING MUTUAL TEL. CO. 635      

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

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