Pasadena, CA

ZIP code 91124 is located in Pasadena, California. This area is home to the internationally renowned California Institute of Technology (Caltech), known for its cutting-edge research and scientific advancements. The ZIP code also encompasses the historic Pasadena City College, which has been a pillar of higher education in the area for over 90 years. Other notable landmarks in the area include the charming Old Town Pasadena district and the beautiful Pasadena City Hall.