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: 834

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-834 A Grant MI GRNTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-834 0 Grant MI GRNTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-834 1 Grant MI GRNTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-834 2 Grant MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 348   2011-06-22   
231-834 3 Grant MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2022-10-30   
231-834 4 Grant MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2016-03-21   
231-834 5 Grant MI GRNTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-834 6 Grant MI BRSPMI09AMD  490J DISH WIRELESS, LLC 348   2024-07-07   
231-834 7 Grant MI GRNTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-834 8 Grant MI GRNTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-834 9 Grant MI GRNTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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