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: 529

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-529 A Brutus MI BRTSMIXIDS0  0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-529 0 Brutus MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-529 1 Brutus MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-529 2 Brutus MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-529 3 Brutus MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-529 4 Brutus MI   508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-10-16   
231-529 5 Brutus MI   543C ONVOY, LLCV - MI 348   2019-09-05   
231-529 6 Brutus MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-529 7 Brutus MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2019-08-05   
231-529 8 Brutus MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 348      
231-529 9 Brutus MI   0702 BRIGHTSPEED OF MICHIGAN, LLC 348      

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

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