Log into your online account then look on your orders page and you can find it somewhere around there
Account # I want to submit for the Spring Fling but I need my account # for the submission paper, I always forget to write in down somewhere if I need it.
Okay, you must mean customer number. Go to the ANACS homepage, sign-in, if you have submitted coins there before click on your "Order Status" page, you will see your customer (account) number next to your order number.
I've never had a problem when I would forget that part. If your email and phone are the same it should be okay.