Public Employees' Retirement Association (PERA):1-800-759-7372
PERA website: www.copera.org
Internal Revenue Service (IRS): 1-800-829-1040
Social Security Administration: 1-800-772-1213
If your name differs from that shown on your Social Security card, call the above number to initiate a name change and obtain a Social Security card showing your correct name
IRS website: www.irs.gov
APS Payroll Department Contact Information: