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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-646 A Ellsworth MI ELWOMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-646 0 Ellsworth MI ELWOMIXHRS0  0695 FRONTIER NORTH, INC. - MI 348      
231-646 2 Ellsworth MI GDRPMIBL41Z  506J TWILIO INTERNATIONAL, INC. 348   2021-07-26   
231-646 6 Ellsworth MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348   2021-06-19   
231-646 7 Ellsworth MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-17   
231-646 8 Ellsworth MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-05-31   

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

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