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: 572

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-572 A Ypsilanti MI ANARMISEDS0  9323 MICHIGAN BELL TEL CO 340      
734-572 0 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 1 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 2 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 3 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 4 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 5 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 6 Ypsilanti MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2016-12-15   
734-572 7 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 8 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-572 9 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      

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

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