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: 582

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-582 A Royal Oak MI RYLOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-582 0 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-582 1 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-582 2 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-582 3 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-582 4 Royal Oak MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-05-18   
248-582 5 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-582 6 Royal Oak MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-07-18   
248-582 7 Royal Oak MI   543C ONVOY, LLCV - MI 340   2011-12-06   
248-582 8 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-582 9 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      

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

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