Abstract: A flat mail collator is provided having a flat base with a rectangular shape and a handle connected to the flat support. A plurality of leaves having a rectangular shape are connected to the flat base for defining spaces between the adjacent ones of the leaves. The plurality of leaves are coded for a plurality of addresses for sorting mail by address by inserting individual pieces of mail between these. Upon completion of the sorting operation, the mail is removed from the leaves by the lifting the flat base by the handles and tilting the flat base and allowing the sorted mail to slip from between the leaves and remain sorted.