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: 547

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-547 A Ypsilanti MI YPSLMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-547 0 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-547 1 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-547 2 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-547 3 Ypsilanti MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2008-07-25   
734-547 4 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-547 5 Ypsilanti MI   318J COMCAST IP PHONE, LLC 340   2007-04-01   
734-547 6 Ypsilanti MI   543C ONVOY, LLCV - MI 340   2012-07-19   
734-547 7 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-547 8 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      
734-547 9 Ypsilanti MI   9323 MICHIGAN BELL TEL CO 340      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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