Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
810-765 A Marine City MI 9323 MICHIGAN BELL TEL CO 340      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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