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: 836

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
317-836 A Sheridan IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336   2025-04-06   
317-836 0 Sheridan IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336   2005-09-17   
317-836 1 Sheridan IN   145J TERRA NOVA TELECOM INC. 336   2025-04-09   
317-836 2 Sheridan IN   097D ONVOY, LLC - IN 336   2020-09-14   
317-836 3 Sheridan IN   318J COMCAST IP PHONE, LLC 336   2006-05-22   
317-836 5 Sheridan IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336   2004-07-16   
317-836 6 Sheridan IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 336   2012-02-23   
317-836 7 Sheridan IN   7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN 336   2007-11-11   
317-836 8 Sheridan IN   318J COMCAST IP PHONE, LLC 336   2007-08-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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