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: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-341 A Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 0 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 1 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 2 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 3 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 4 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 5 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 6 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 7 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 8 Birmingham MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-341 9 Birmingham MI   145J TERRA NOVA TELECOM INC. 340   2022-10-17   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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