Pasadena, CA

ZIP code 91125 is located in Pasadena, California. It is home to the California Institute of Technology (Caltech), one of the most prestigious research universities in the world. The ZIP code also includes the Jet Propulsion Laboratory (JPL), a NASA center that has been at the forefront of space exploration since the 1930s. This area is known for its cutting-edge research and innovation in the fields of science and technology.