Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 317 [Rate centres in NPA 317] [Dial plan for NPA 317]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-203 A Plainfield IN IPLWIN75XIX  829J PAETEC ITEL, LLC 336      
317-203 0 Plainfield IN   829J PAETEC ITEL, LLC 336      
317-203 1 Plainfield IN   829J PAETEC ITEL, LLC 336      
317-203 2 Plainfield IN   829J PAETEC ITEL, LLC 336      
317-203 3 Plainfield IN   829J PAETEC ITEL, LLC 336      
317-203 4 Plainfield IN   829J PAETEC ITEL, LLC 336      
317-203 5 Plainfield IN   318J COMCAST IP PHONE, LLC 336   2004-03-26   
317-203 6 Plainfield IN   7440 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN 336   2005-05-08   
317-203 7 Plainfield IN   829J PAETEC ITEL, LLC 336   2005-05-23   
317-203 8 Plainfield IN   097D ONVOY, LLC - IN 336   2020-05-14   
317-203 9 Plainfield IN   105F BANDWIDTH.COM CLEC, LLC - IN 336   2008-11-24   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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