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: 515

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-515 A Evart MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-515 0 Evart MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-515 1 Evart MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2008-07-15   
231-515 2 Evart MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-12-16   
231-515 3 Evart MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2015-08-02   
231-515 4 Evart MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-11   
231-515 5 Evart MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-11   
231-515 6 Evart MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-17   
231-515 7 Evart MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-03-12   
231-515 8 Evart MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-515 9 Evart MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2019-06-08   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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