No, but it is in India.  "Ta, ta" seems to be used quite frequently as "hello."

On Thu, Sep 19, 2013 at 5:53 PM, Brie Dodson <[log in to unmask]> wrote:
I take it to mean "thanks in advance." :) B

On Sep 19, 2013, at 05:48 PM, "Smith Will (Toowong)" <[log in to unmask]> wrote:

Is “ta” a common expression in the US?



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