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: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-427 A Mackinaw City MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-427 0 Mackinaw City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-427 1 Mackinaw City MI TRCYMIMNVMD  116F PENINSULA FIBER NETWORK, LLC - MI 348      
231-427 2 Mackinaw City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-427 3 Mackinaw City MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348      
231-427 4 Mackinaw City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-427 5 Mackinaw City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-427 6 Mackinaw City MI TRCYMIMNWMD  508J CENTURYLINK COMMUNICATIONS, LLC 348      
231-427 7 Mackinaw City MI GDRPMIBL15Z  516C AT&T CORP. 348      
231-427 8 Mackinaw City MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
231-427 9 Mackinaw City MI BRSPMI09DS0  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348      

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

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