How can i change my phone number from yahoo account?

i want to change my mobile number in yahoo account.How can i change my phone number from yahoo account?
Go to ur Mail Account

Click ';My Account'; top of that page

Enter ur password and click ';Continue.';

Scroll down to the ';Address/Contact Information'; section

Click ';Edit.'; rightside

Change / Edit ur mobile number

Click ';Finished';

goodluck ^_^How can i change my phone number from yahoo account?
You edit the old number and replace it with the new one.!!!