I got this from the south central Ohio railroadradio.net
http://www.railroadradio.net/content/view/123/173/
AAR 07 - 160.215 Ohio Central operations
AAR 08 - 160.230 CSX Road - Northern Sub (Columbus to Russell, KY) and Columbus Sub (Columbus to Toledo)
AAR 14 - 160.320 CSX CR Desk Dispatcher - Columbus Sub (CJ Desk - Ohio River Sub - DX)
AAR 22 - 160.440 NS Yard (DX - New Castle and P-D Districts)
AAR 50 - 160.860 CSX
AAR 56 - 160.950 NS (First District CNO&TP and Louisville District - DX)
AAR 58 - 160.980 NS Dayton District
AAR 61 - 161.025 W&LE (Dispatcher Only)
AAR 64 - 161.070 NS West Virginia Secondary
AAR 72 - 161.190 NS Columbus and Sandusky Districts
AAR 74 - 161.220 I&O DT&I & Midland Subs
AAR 76 - 161.250 NS Watkins Yard and Kenova District DS
AAR 94 - 161.520 CSX CR Desk Dispatcher - Northern Sub