Your address is stored in two different places. Sound like everyone has their address in the Disney website, but Disney is also a member of the "Go Network" which consists of ABC, ESPN, Disney, etc. Once you follow these directions, you should be able to order your maps.
"To be eligible for Customized Maps, your address must be added to your Member Profile. Please visit
https://register.go.com/go/memberservices/home and add your mailing address information to your Member Profile. Once you have done this, if you are eligible to order Customized Maps, the Order Now button will be visible on the Customized Maps page."