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: 508

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-508 A Milan MI SFLDMIBVDS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
734-508 1 Milan MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2021-07-15   
734-508 2 Milan MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-02-23   
734-508 3 Milan MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
734-508 4 Milan MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-02-07   
734-508 5 Milan MI   543C ONVOY, LLCV - MI 340   2012-07-23   
734-508 6 Milan MI   318J COMCAST IP PHONE, LLC 340   2004-01-06   
734-508 7 Milan MI   516C AT&T CORP. 340   2006-06-30   
734-508 8 Milan MI   543C ONVOY, LLCV - MI 340   2020-02-08   
734-508 9 Milan MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      

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

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