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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-307 A Morley MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-307 0 Morley MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
231-307 1 Morley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-307 2 Morley MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348      
231-307 3 Morley MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-307 4 Morley MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-307 5 Morley MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
231-307 6 Morley MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-307 7 Morley MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-307 8 Morley MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      

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

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