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: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-434 A Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 0 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 1 Troy MI SFLDMIMK9MD  145J TERRA NOVA TELECOM INC. 340   2025-01-03   
248-434 3 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 4 Troy MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
248-434 5 Troy MI SFLDMIDICA0  2550 123.NET, LLC 340   2003-01-24   
248-434 6 Troy MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-07-31   
248-434 7 Troy MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2004-10-10   
248-434 8 Troy MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2007-05-28   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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