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   543C ONVOY, LLCV - MI 348   2013-03-18   
231-539 1 Pellston MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-11-12   
231-539 2 Pellston MI   3535 ACD TELECOM, INC. - MI 348   2005-02-17   
231-539 3 Pellston MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2008-08-27   
231-539 4 Pellston MI   829J PAETEC ITEL, LLC 348   2004-02-12   
231-539 5 Pellston MI   817J INTERACTIVE SERVICES NETWORK, INC. 348   2005-09-02   
231-539 6 Pellston MI   543C ONVOY, LLCV - MI 348   2023-08-06   
231-539 7 Pellston MI   9323 MICHIGAN BELL TEL CO 348      
231-539 8 Pellston MI   9323 MICHIGAN BELL TEL CO 348      
231-539 9 Pellston MI   516C AT&T CORP. 348   2011-08-23   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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