559 Area Code Overview & Map

The 559 area code is a telephone area code in California, covering a significant portion of the state's central region. It includes cities such as Fresno, Visalia, Clovis, Madera, Hanford, and Reedley. The area served by the 559 code spans the Central Valley, known for its agricultural prominence. The code was established on November 14, 1998, as an overlay to the original 209 area code, and it serves communities in Fresno County, Tulare County, Kings County, Madera County, and parts of other surrounding areas. The 559 area code is part of the North American Numbering Plan (NANP), which facilitates the organization of telephone numbering in the United States and other countries in North America.

When was the 559 Area Code created?

The 559 area code was first put into service in 1998, by the North American Numbering Plan Administration (NANPA). Learn more about the US Area Code System

History

The 559 area code was created from the 209 area code, to meet the growing demand for new telephone numbers in California.

Where is the 559 Area Code located?

The 559 area code serves Fresno, California and the surrounding areas.

• 559 Cities
• 559 NXX Prefixes