Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-374 A Stephenson MI PRKNMIATPMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-374 0 Stephenson MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342      
906-374 1 Stephenson MI   543C ONVOY, LLCV - MI 342   2018-06-01   
906-374 2 Stephenson MI   792K CHARTER IP ENABLED SERVICES, LLC 342   2025-10-05   
906-374 3 Stephenson MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 342   2009-12-12   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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