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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-422 A Pellston MI   7575 CENTURYLINK COMMUNICATIONS LLC 348      
231-422 0 Pellston MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   
231-422 3 Pellston MI   543C ONVOY, LLC - MI 348   2016-04-15   
231-422 4 Pellston MI   543C ONVOY, LLC - MI 348   2016-04-15   
231-422 7 Pellston MI   7575 CENTURYLINK COMMUNICATIONS LLC 348   2015-10-23   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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