Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 734 [Rate centres in NPA 734] [Dial plan for NPA 734]

NXX: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-581 A Monroe MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
734-581 0 Monroe MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-14   
734-581 1 Monroe MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-14   
734-581 2 Monroe MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2024-10-06   
734-581 3 Monroe MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-14   
734-581 4 Monroe MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-14   
734-581 5 Monroe MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-14   
734-581 9 Monroe MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2021-03-05   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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