Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 560

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-560 A Fairfield IA   221F ONVOY, LLC - IA 632   2024-05-05   
641-560 0 Fairfield IA   221F ONVOY, LLC - IA 632      
641-560 2 Fairfield IA   624H ONVOY SPECTRUM, LLC 632      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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