How do I join the Philadelphia Zoo? March 26, 2021 15:34 Updated You can become a member right away! Join online and receive your digital card immediately. Click here for our current membership offerings. Related articles How long does a membership last? How do I park as a Philadelphia Zoo member? Can I apply the cost of my general admission tickets toward a membership? With a Philadelphia Zoo membership, must I accompany my guests when visiting? When will I get my membership card? Comments 0 comments Article is closed for comments.