Does 711 Sell Stamps? And the answer is YES.711 sells postage stamps in all their convenience store. You need to visit the store ask for stamps as they keep stamps at the customer service desk or cash counter. Best part - you can buy a single stamp from the store. But, we suggest you buy a booklet as postage stamps will never get expired and you can use the remaining stamps … [Read more...] about Does 711 Sell Stamps?