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: 539

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-539 A Pellston MI PLSTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-539 0 Pellston MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-18   
231-539 1 Pellston MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-11-12   
231-539 2 Pellston MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2005-02-17   
231-539 3 Pellston MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2008-08-27   
231-539 4 Pellston MI GDRPMIBL54Z  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-02-12   
231-539 5 Pellston MI GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2005-09-02   
231-539 6 Pellston MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2023-08-06   
231-539 7 Pellston MI PLSTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-539 8 Pellston MI PLSTMIMNRSA  9323 MICHIGAN BELL TEL CO 348      
231-539 9 Pellston MI GDRPMIBL15Z  516C AT&T CORP. 348   2011-08-23   

Last updated: Mon, 01 Apr 2024 02:18:34 UTC

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