Hello all, where on a California Birth Certificate is the Birth number and how many digits is it? I am working on the data for the deed of...Hello all, where on a California Birth Certificate is the Birth number and how many digits is it? I am working on the data for the deed of re-conveyance. It asks for the Birth Number and local file number. I have a State File Number and also a Local Registration District and Certificate number, 4 digits handwritten, and 5 digits typed. Any help would be appreciated - feeling happy Show more