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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-666 A Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-666 0 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-666 1 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-666 2 Muskegon MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-666 3 Muskegon MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-666 4 Muskegon MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348      
231-666 5 Muskegon MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-666 6 Muskegon MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-666 7 Muskegon MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      
231-666 8 Muskegon MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-666 9 Muskegon MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      

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

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