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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-236 A Rockwood MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
734-236 0 Rockwood MI   624H ONVOY SPECTRUM, LLC 340   2021-12-02   
734-236 1 Rockwood MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-03-29   
734-236 4 Rockwood MI   318J COMCAST IP PHONE, LLC 340   2005-03-23   
734-236 5 Rockwood MI   3535 ACD TELECOM, INC. - MI 340   2005-05-02   
734-236 6 Rockwood MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-09-11   
734-236 7 Rockwood MI   829J PAETEC ITEL, LLC 340   2004-03-08   
734-236 8 Rockwood MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-02-18   
734-236 9 Rockwood MI   543C ONVOY, LLCV - MI 340   2021-01-30   

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

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