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 code 858 is found in the US state of California. Primarily servicing the city of Poway (population: 49169), area code 858 covers 1 county of California. Located in the Pacific time zone, area code 858 is on the same time as Los Angeles, CA. Area code 858 was brought into effect on June 12, 1999.