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: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-333 A Cheboygan MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-333 0 Cheboygan MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-333 1 Cheboygan MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-21   
231-333 2 Cheboygan MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-10-23   
231-333 3 Cheboygan MI PTSKMICSDS0  9245 CYNERGYCOMM.NET, INC. - MI 348   2005-04-06   
231-333 4 Cheboygan MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2020-12-17   
231-333 5 Cheboygan MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-04   
231-333 6 Cheboygan MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2005-06-20   
231-333 7 Cheboygan MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2007-11-09   
231-333 8 Cheboygan MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2020-12-17   
231-333 9 Cheboygan MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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