Guide. A cortisol test is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal glands or pituitary gland.
Berkeley lies within telephone area code 510 (until September 2, 1991, Berkeley was part of the 415 telephone code that now covers only San Francisco and Marin counties), and the postal ZIP codes are 94701 through 94710, 94712, and 94720 for the University of California campus.
Area Codes for San Diego, California. There are 4 area code s actively in use in greater metropolitan San Diego, including: 619, 858, 760, 442. These area codes cover San Diego proper as well as nearby suburbs and towns, including La Jolla, Mission Beach, La Mesa, National City, and Chula Vista, among other locations.