You can change your business name and contact information in Yahoo! Site Solution anytime in the Contact Settings.
To update your contact information:
YSS Site Settings Link
YSS Site Settings Contact Info Link
Hint: Here you can also choose to show or hide contact details and activate a map for your contact page.
YSS Contact Settings Dialog Box
YSS Social Badges Dialog Box
Depending on your site design and the details you have chosen to display on your site, you'll see your changes reflected in your map, and at the top or bottom of each page. Learn how to show or hide your contact information.
Note: Your Yahoo! Site Solution contact information is independent of your Yahoo! account information. To update your Yahoo! account, visit your Yahoo! Account Info page. Learn more.