Local Calling Guide

Area code/prefix search

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

NXX: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-297 A Arlington IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
563-297 3 Arlington IA MONNIAXODS1  429J HAWKEYE INTERCONNECT COMPANY - IA 635   2020-09-11   
563-297 6 Arlington IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2021-05-07   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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