Local Calling Guide

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NPA: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-570 A Fife Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-570 0 Fife Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-570 1 Fife Lake MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-11   
231-570 2 Fife Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-05-10   
231-570 3 Fife Lake MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2012-03-16   
231-570 4 Fife Lake MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-11-18   
231-570 5 Fife Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-04-01   
231-570 6 Fife Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-18   
231-570 7 Fife Lake MI GDRPMIBL15Z  516C AT&T CORP. 348   2011-08-23   
231-570 8 Fife Lake MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-16   
231-570 9 Fife Lake MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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