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: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-444 A Atalissa IA   221F ONVOY, LLC - IA 634   2025-10-18   
563-444 0 Atalissa IA   145J TERRA NOVA TELECOM INC. 634   2025-10-20   
563-444 4 Atalissa IA   221F ONVOY, LLC - IA 634   2025-10-18   
563-444 5 Atalissa IA   221F ONVOY, LLC - IA 634   2025-10-18   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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