AP mailing address

I have read PJiang's blog, but I still have question on the mailing address. please kindly advise if you know the answer.

I have EB based I485 pending since 2007.I485 receipt # starts with LIN. I live in California.

Should I mail the AP application to

USCIS
P.O. Box 21281
Phoenix, AZ. 85036

OR

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USCIS
Attn: AOS
1820 E. Skyharbor Circle S, Suite 100
Phoenix, AZ 85034 

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• 回複：AP mailing address -pjiang- ♀ (186 bytes) () 10/07/2010 postreply 12:12:08

• 太謝謝你了PJ 老師 -東楊楊- ♀ (0 bytes) () 10/07/2010 postreply 15:39:00