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.
1 For example, if the index returned 10% but the annuity had a cap of 3%, you receive only a maximum 3% rate of return. 2  Many indexed annuities put a cap on the return. 3  Participation rate is the percentage of the indexâs return the insurance company credits to the annuity, typically ranging from 80% to 100%.