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.
There are many area codes actively in use in metropolitan Los Angeles, including: 213, 323, 310, 562. Metropolitan Los Angeles is very large and includes Long Beach, Glendale, Santa Clarita, Pomona, and Palmdale, among other locations.In addition, a large number of area codes are used in other parts of California.here are many area codes actively in use in metropolitan Los Angeles, including: 213, 323, 310, 562. Metropolitan Los Angeles is very large and includes Long Beach, Glendale, Santa Clarita, Pomona, and Palmdale, among other locations.