Looking on the internet deeply has found these results:

Where are you? is the most popular phrase on the web.

Where are you at? 166,300 results on the web	Where are you? 1315,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Mar 14, 2014 ... DOTA 2: WHERE ARE YOU AT. LecheroSooo. SubscribeSubscribed Unsubscribe 553. Subscription preferences. Loading... Loading... Working. Jan 26, 2008 ... Asking where are you at is a common grammar mistake, and the mistake and error is as obvious and evident as is the redundancy and ... Feb 23, 2012 ... where are you at map Grammar Girl here, and today I'm going to tell you where it's at! Just kidding. I used the phrase “Where it's at” in an ... where are you at? the most common way to ask someone their location that only makes you sound dumb. the "at" is not needed and only prolongs a response ...	Where are you? Stuck in traffic. Where are you? forms Where are you? "Yes, but it doesn't matter" Where are you? Where are you? You want the truth, right? You precious little life Leave one at the beep.

Where are you at?

166,300 results on the web

Where are you?

1315,000,000 results on the web

More popular!

Mar 14, 2014 ... DOTA 2: WHERE ARE YOU AT. LecheroSooo. SubscribeSubscribed Unsubscribe 553. Subscription preferences. Loading... Loading... Working.
Jan 26, 2008 ... Asking where are you at is a common grammar mistake, and the mistake and error is as obvious and evident as is the redundancy and ...
Feb 23, 2012 ... where are you at map Grammar Girl here, and today I'm going to tell you where it's at! Just kidding. I used the phrase “Where it's at” in an ...
where are you at? the most common way to ask someone their location that only makes you sound dumb. the "at" is not needed and only prolongs a response ...