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: 367

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-367 A Wolverine MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-367 1 Wolverine MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-367 4 Wolverine MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-367 5 Wolverine MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-367 6 Wolverine MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
231-367 7 Wolverine MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-367 8 Wolverine MI BRSPMI097MD  516J TON80 COMMUNICATIONS, LLC 348      

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

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