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: 444

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-444 A Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-444 0 Cadillac MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-444 1 Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-444 2 Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-444 3 Cadillac MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
231-444 4 Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-444 5 Cadillac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-444 6 Cadillac MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
231-444 7 Cadillac MI   279B CLEAR RATE COMMUNICATIONS, INC. - MI 348      
231-444 8 Cadillac MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-444 9 Cadillac MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      

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

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