Fresno frzno frez noh is a city in California, United States, the county seat of Fresno County. As of the census, the city’ s population was ,, making it the fifth largest city in California, the largest inland city in California, and the th largest in the nation..Founded in , the County of Fresno is located in the Central Valley in Northern California. The county seat is Fresno, which is the largest city in the Central Valley and fifth largest city in California. Spread over an area of , square miles, the county is bounded by the Coast Range to the west and the Sierra Nevada to the east..This page shows a map with an overlay of Zip Codes for Fresno, Fresno County, California. Users can easily view the boundaries of each Zip Code and the state as a whole. Fresno, California Zip Code Boundary Map CA .Local towns near Fresno, CA. This is a list of smaller local towns that surround Fresno, CA. If you’re planning a road trip or exploring the local area, make sure you check out some of these places to get a feel for the surrounding community. You can also search for cities hour from Fresno, CA or hours or hours ..