Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-381 A Farmington MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-381 0 Farmington MI   145J TERRA NOVA TELECOM INC. 340   2025-01-03   
248-381 1 Farmington MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-381 2 Farmington MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-381 3 Farmington MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-381 4 Farmington MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-01-04   
248-381 5 Farmington MI   829J PAETEC ITEL, LLC 340   2004-07-22   
248-381 6 Farmington MI   9323 MICHIGAN BELL TEL CO 340   2007-05-02   
248-381 7 Farmington MI   9323 MICHIGAN BELL TEL CO 340   2007-05-30   
248-381 8 Farmington MI   2550 123.NET, LLC 340   2003-01-25   
248-381 9 Farmington MI   145J TERRA NOVA TELECOM INC. 340   2025-08-28   

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

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