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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 454

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-454 A Wyoming IA NLBTIAXO2MD  593K MCC TELEPHONY LLC 635      
563-454 1 Wyoming IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635   2024-08-15   
563-454 2 Wyoming IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2018-07-31   
563-454 4 Wyoming IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-07-23   
563-454 5 Wyoming IA CDRRIAAX7MD  5562 METROPCS, INC. 635   2018-08-11   
563-454 6 Wyoming IA IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635   2022-03-10   
563-454 8 Wyoming IA CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2021-08-20   
563-454 9 Wyoming IA   593K MCC TELEPHONY LLC 635   2010-05-09   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.