In the San Francisco-Oakland-San Jose metro area of California, Zip Code 94558 is situated. Napa County is the primary location of zip code 94558. There are also areas of 94558 in Sonoma County. NAPA, California is the designated name for 94558 by the US Postal Service. Parts of the zip code 94558 are located in or close to the cities of Napa, Yountville, American Canyon, and Green Valley in California. Zip code 94558’s area code is 707. In compared to other zipcodes in California, the socioeconomic class of the zipcode 94558 can be categorised as Middle Class.

The current unemployment rate in 94558 is 2.3 percent, which is lower than the county’s current rate of 4.1 percent, the state’s current rate of 3.4 percent, and the current rate of 3.9 percent for the entire country.

The population of 94558 grew to 66830 from 63932 according to the 2010 US Census. While Hispanics make up the majority of the population in 94558, they also make up the majority of students in its public schools. In the 94558 public schools, 45.3% of students participate in or are eligible for free or reduced meal programmes.