Zip code 94403 is primarily located in San Mateo County. The official postal service name used for 94403 is SAN MATEO, California. Portions of the 94403 zip code are contained within or border the city limits of San Mateo, CA, Belmont, CA, and Foster City, CA. The 94403 area code is 650.
DEFINITION of 'Participation Rate'. A measure of the active portion of an economy's labor force. The participation rate refers to the number of people who are either employed or are actively looking for work.he number of people who are no longer actively searching for work would not be included in the participation rate. During an economic recession, many workers often get discouraged and stop looking for employment, as a result, the participation rate decreases.
Figure 4 shows labor force participation rates â the percentage of those who either have a job or are looking for a job â by age. Young and middle-aged workers had a reduction in labor force participation. For workers aged 25 to 34, workforce participation fell from 83.4% in Q4 2007 to 81.5% in Q1 2011.