Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 517

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-517 A Decorah IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
563-517 0 Decorah IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      
563-517 1 Decorah IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2025-04-07   
563-517 2 Decorah IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2025-11-20   
563-517 7 Decorah IA   5562 METROPCS, INC. 635   2025-06-01   
563-517 9 Decorah IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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