Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: OLMSMIXIRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-223 A Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 0 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 1 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 2 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 3 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 4 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 7 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 8 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      
231-223 9 Old Mission MI 0720 ACE TEL. CO. OF MICHIGAN, INC. 348      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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