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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-744 A Royal Oak MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-744 1 Royal Oak MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
248-744 2 Royal Oak MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2019-06-07   
248-744 3 Royal Oak MI   543C ONVOY, LLCV - MI 340   2019-12-27   
248-744 4 Royal Oak MI   543C ONVOY, LLCV - MI 340   2019-12-27   
248-744 5 Royal Oak MI   829J PAETEC ITEL, LLC 340   2019-08-13   
248-744 6 Royal Oak MI   543C ONVOY, LLCV - MI 340   2017-05-31   
248-744 7 Royal Oak MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      

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

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