Thoracic cavity: Thoracic cavity, the second largest hollow space of the body. It is enclosed by the ribs, the vertebral column, and the sternum, or breastbone, and is separated from the
Map of ZIP Code. ZIP code 92407 is centered in San Bernardino County and overlaps Medical Service Study Area(s) 151e, 151e, 151g, 151g, 146, 146, 147, 147, 148 and 148.
San Bernardino. San Bernardino is a city located in the Riverside-San Bernardino metropolitan area. It serves as the county seat of San Bernardino County, California, United States.