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: 434

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-434 A Manton MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-434 0 Manton MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   
231-434 1 Manton MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-03-06   
231-434 2 Manton MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2018-04-20   
231-434 3 Manton MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-15   
231-434 4 Manton MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-04-15   
231-434 5 Manton MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2017-05-08   
231-434 6 Manton MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2016-08-06   
231-434 7 Manton MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2014-11-11   
231-434 8 Manton MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2014-11-10   
231-434 9 Manton MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2014-11-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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