What does the north carolina department of the state treasurer do? The NC Department of the State Treasurer administers the public employee retirement systems for more than 900,000 North Carolinians, as well as the 401 (k), 457, and 403 (b) supplemental retirement plans for public employees.How do i contact north carolina state retirement systems? North Carolina Retirement Systems. 877-627- 3287. Email. [email protected]. My NC Retirement. Department of State Treasurer. NC Retirement Systems. 3200 Atlantic Avenue. Raleigh, NC 27604.What is the address for the north carolina department of revenue? 501 North Wilmington Street Raleigh, NC 27604 Mailing Address for most tax returns, letters and other correspondence: North Carolina Department of Revenue Post Office Box 25000 Raleigh, NC 27640-0640 Important Note: Our main office is not staffed to provide general tax assistance.What is the north carolina department of state treasurers unclaimed property pision? The North Carolina Department of State Treasurer, Unclaimed Property Division, is here to assist in reuniting unclaimed property with its rightful owners. Upon receipt of all required documentation, we will begin processing your claim.