The Slidell Annex and the Elections offices cannot receive mail, correspondence, Federal Express or UPS envelopes or packages. Please forward all mail to the Clerk’s Post Office Box 1090, Covington, LA 70434. Please note: Federal Express and UPS envelopes/packages should be mailed to the 701 N. Columbia Street physical address because Federal Express and UPS envelopes and/or packages are not delivered to Post Office Box addresses.