The local postfoffice is situated in Karlby. The postoffice is also representative for Ålandsbanken services. If you need pharmaceutical goods, you'll find some here.
Åland Post, Kökar office: Phone: +358 18 636773
Website; Posten Åland
The mail resigns from the postoffice at 13 every weekday.
Please note that Kökar doesn't have an ATM.