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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-300 A Davenport IA DVNPIA80X7Y  114J EXIANT COMMUNICATIONS LLC 634   2026-07-25   
563-300 3 Davenport IA DVNPIA80X7Y  114J EXIANT COMMUNICATIONS LLC 634   2026-07-25   
563-300 6 Davenport IA   8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 634   2026-08-10   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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