Local Calling Guide

Area code/prefix search

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

NXX: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-475 A Manton MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-475 0 Manton MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-475 1 Manton MI   624H ONVOY SPECTRUM, LLC 348      
231-475 2 Manton MI   145J TERRA NOVA TELECOM INC. 348      
231-475 7 Manton MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-475 8 Manton MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-475 9 Manton MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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