Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 791

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-791 A Sioux City IA   221F ONVOY, LLC - IA 630   2025-06-09   
712-791 0 Sioux City IA   221F ONVOY, LLC - IA 630   2025-06-09   

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

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