engine ID

I have a /6 engine with 5 freeze plug casting #2806830-7,and the #2802 BH,then the letters AAWj, Then on the passengers side on the top of the block the stamped in #`s 3 225 4755 or could possiblly be #3W 225 4255. could anyone decode these numbers for me??? I lost the sites that did this.:sign3:
Moe