Commemorative Brick Campaign Show your support for PYB and become a part of our future state-of-the-art center with the purchase of a personalized brick today! Click to purchase today! Help PYB get a brick from every zip code in Philadelphia! There are over forty zip codes spanning the city and eleven have been claimed so far. Zoom in on the map to see if your neighborhood has been nailed down, and if not, pick your brick and represent your zip!