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 NLBTIAXO2MD  751F MCC TELEPHONY OF IOWA, LLC - IA 635      
563-454 2   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-07-31   
563-454 4   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-07-23   
563-454 5   5562 METROPCS, INC. 635   2018-08-11   
563-454 6   516J TON80 COMMUNICATIONS LLC 635   2022-03-10   
563-454 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-08-20   
563-454 9   751F MCC TELEPHONY OF IOWA, LLC - IA 635   2010-05-09   
563-488 A WYNGIAXO1MD  1343 WYOMING MUTUAL TEL. CO. 635      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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