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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-456 A Davenport IA   490J BOOST SUBSCRIBERCO L.L.C. 634   2025-09-25   
563-456 0 Davenport IA   490J BOOST SUBSCRIBERCO L.L.C. 634   2025-09-25   
563-456 5 Davenport IA   6266 UNITED STATES CELLULAR - IA 634   2026-01-21   
563-456 6 Davenport IA   321J HD CARRIER LLC 634   2026-06-18   
563-456 7 Davenport IA   321J HD CARRIER LLC 634   2026-06-18   
563-456 8 Davenport IA   221F ONVOY, LLC - IA 634   2025-10-26   
563-456 9 Davenport IA   221F ONVOY, LLC - IA 634   2025-10-26   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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