Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-617 A South Lyon MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
248-617 0 South Lyon MI   543C ONVOY, LLCV - MI 340   2016-07-25   
248-617 1 South Lyon MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2016-09-19   
248-617 2 South Lyon MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-05-24   
248-617 3 South Lyon MI   318J COMCAST IP PHONE, LLC 340   2015-05-28   
248-617 4 South Lyon MI   543C ONVOY, LLCV - MI 340   2018-03-17   
248-617 5 South Lyon MI   046L CLEAR RATE COMMUNICATIONS, LLC 340   2017-02-15   
248-617 6 South Lyon MI   543C ONVOY, LLCV - MI 340   2018-09-10   
248-617 7 South Lyon MI   543C ONVOY, LLCV - MI 340   2016-04-02   
248-617 8 South Lyon MI   543C ONVOY, LLCV - MI 340   2016-04-02   
248-617 9 South Lyon MI   516C AT&T CORP. 340   2016-09-09   

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

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