Home Departments Finance & Personnel Human Resources Useful Links & Contacts Useful Links & Contacts Seq No Agency/Company (Click link for website) Phone 0.00 Cayuga County (315) 253-1284 0.00 City of Fulton (315) 593-2222 0.00 City of Oswego (315) 342-8159 0.00 Jefferson County (315) 785-3147 0.00 Lewis County (315) 376-5349 0.00 Madison County (315) 366-2341 0.00 NYS Department of Civil Service (518) 457-6216 0.00 NYS Park Police 0.00 NYS Corrections 0.00 NYS Police 0.00 Oneida County (315) 798-5726 0.00 Onondaga County (315) 435-3537 0.00 CSEA EBF (Oswego County Employees Only) (800) 323-2732 0.00 Mass Mutual (Oswego County Employees Only) (800) 494-7060 0.00 NYS Retirement (866) 805-0990 0.00 ProAct Helpdesk (Oswego County Employees Only) (877) 635-9545 0.00 UMR Customer Service (Oswego County Employees Only) (800) 826-9781 0.00 UMR Flexible Spending (Oswego County Employees Only) (800) 826-9781 0.00 UMR Retiree Billing (Oswego County Retirees Only) (800) 207-1824 0.00 Machine-Readable Files (MRF) under the Transparency in Coverage Rule 0.00 ADA (file a complaint)