The only way I know is the tedious way of checking your geocaching.com list against the azgeocaching.com list. Hint: check the recently archived ones first.
 

Brian Casteel <bcasteel@cox.net> wrote:
Ok, I have 11 caches that are showing incorrectly as out of state finds.  What am I looking for in determining which of these caches are incorrect out of my 341 in-state AZ finds?
 
Brian
Team A.I.


Till a voice, as bad as Conscience, rang interminable changes
  On one everlasting Whisper day and night repeated -- so:
"Something hidden.  Go and find it. Go and look behind the Ranges --
  "Something lost behind the Ranges. Lost and waiting for you. Go!"
 
Rudyard Kipling ,   The Explorer  1898


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