State Mail Services Administrative Office
720 East Fifth Street
 Carson City NV 89701
(775) 684-1860 * Fax (775) 684-1865
Email:  ccmail@govmail.state.nv.us

or 

State Mail Services - Las Vegas
555 East Washington Avenue, Suite 1200
Las Vegas, NV 89101 
(702) 486-2485 * Fax (702) 486-2648