Local Calling Guide

Area code/prefix search

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NPA: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 655

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-655 A Manning IA MNNGIA01RS0  3057 MANNING MUNICIPAL COMM AND TELVSN SYS UT - IA 644      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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