Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Auburn Heights, MI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
947-273 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-08-25   
947-273 8 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-04-05   
947-273 9 LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-04-05   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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