In particular, the USPS distributes mail to Regional Centers which are assigned to a particular 3-digit partial ZIP (for example, zip codes starting with 921 are in the San Diego, CA area). Check out the excellent zipdecode website to see how partial zip codes map to areas of the country.
A pendeloque is a pear-shaped modification of the round brilliant cut used for diamonds and other gemstones. See also. Briolette; Cut (gems) References
Pentomino. A pentomino is a polyomino composed of five congruent squares, connected along their edges. There are 12 different free pentominoes, named after the letters of the Latin alphabet they resemble. Ordinarily, the pentomino obtained by reflection or rotation of a pentomino does not count as a different pentomino.