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.
Closest Airport to Berkeley, CA. The closest airport is Metropolitan Oakland International Airport (OAK).Distance from Metropolitan Oakland International Airport to Berkeley is 17,3 kilometers (10,8 miles).etropolitan Oakland International Airport is located approximately 5,2 kilometers (3,2 miles) south of Alameda and about 5,7 kilometers (3,6 miles) west of San Leandro. Metropolitan Oakland International Airport IATA code is OAK.