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: 414

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-414 A Royal Oak MI RYLOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
248-414 0 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 1 Royal Oak MI   9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2010-03-15   
248-414 2 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 3 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 4 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 5 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 6 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 7 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 8 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      
248-414 9 Royal Oak MI   9323 MICHIGAN BELL TEL CO 340      

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

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