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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-307 A Royal Oak MI TROYMIMNRPA  9323 MICHIGAN BELL TEL CO 340      
248-307 0 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-307 1 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-307 2 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-307 3 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-307 4 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-307 5 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-307 6 Royal Oak MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-12-19   
248-307 7 Royal Oak MI   318J COMCAST IP PHONE, LLC 340   2018-04-04   
248-307 8 Royal Oak MI   046L CLEAR RATE COMMUNICATIONS, LLC 340   2018-03-16   
248-307 9 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      

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

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