Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 938

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-938 A Traverse City MI ACMEMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
231-938 0 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 1 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 2 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 3 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 4 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 5 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 6 Traverse City MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-31   
231-938 7 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 8 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      
231-938 9 Traverse City MI   9323 MICHIGAN BELL TEL CO 348      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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