Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MRCSIAXORS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-376 A Marcus IA 1331 WEST IOWA TEL. CO. 630      

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

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