6,7,8 Digit SIC Codes. U.S. SIC codes are defined at the 4-digit level. If you see a SIC code that has 6,7, or even 8-digits, it is not an official U.S. government SIC code. These 6,7, and 8-digit codes have been created by private data companies to help further classify industries for marketing and identification purposes.
Napa is the county seat of Napa County, California. It is the principal city of the Napa county Metropolitan Statistical Area, which encompasses Napa county. As of the 2010 census, the city had a total population of 76,915. The area was settled in the 1830s. It was incorporated as a city in 1872.
Gateway to Wine Paradise. Napa is the largest of Napa Valleyâs five towns, and is conveniently located just an hour north of San Francisco and an hour south of Sacramento. This town offers an impressive diversity of food and activities.