No, why would Yahoo be out of service. Are you talking about Website down?
If it is, I should be back up soon.
You go all the way down of your yahoo mail. Then it will say sing out.
yes seems it is down
Scroll down the page to Answers International and then click on USA flag to get redirected to Yahoo!Answers USA.
Both are functioning properly.
Scroll down the page to answers international and then click on American national flag.
Scroll down the page to answers international and then click on Canadian national flag.
Scroll down the page to answers international and then click on American national flag.
yes.
On July 31st 2012, complete Yahoo seems to be down. Not accesible from Ipad, PC nor Android phone over 3G.
Yahoo 360 was shutdown in July 2009. The service was originally scheduled to close in early 2008. The service was replaced with the standard Yahoo Profiles service.