For the wine region, see Napa Valley AVA. Napa County is a county located north of San Pablo Bay in the northern portion of the U.S. state of California. As of the 2010 census, the population was 136,484. The county seat is the City of Napa. Napa County was one of the original counties of California, created in 1850 at the time of statehood.
Area code 412 is a Pennsylvania area code that covers Pittsburgh and some of the surrounding areas. Area code 412 overlays the area code of 878. Pennsylvania has area codes of 215, 267, 272, 412, 484, 570, 610, 717, 724, 814, 878.
914-409-6xxx Area Code Reverse Lookup Results. Phone numbers 914-409-6xxx fall in 914-409 area code. This area code covers part of New York, covering most of 10522, 10502, 10530, 10532 zipcodes. 914-409 area code was started on Nov 26, 2004.14-409-6xxx Area Code Reverse Lookup Results. Phone numbers 914-409-6xxx fall in 914-409 area code. This area code covers part of New York, covering most of 10522, 10502, 10530, 10532 zipcodes. 914-409 area code was started on Nov 26, 2004.