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# California Area Code 323
The 323 area code serves the Los Angeles area, specifically covering central and south-central Los Angeles, including neighborhoods such as Downtown LA, Hollywood, West Hollywood, Echo Park, and parts of Long Beach. Established in 1998 as an overlay to the existing 213 area code, the 323 area code was created to accommodate the growing demand for telephone numbers in the rapidly expanding Los Angeles metropolitan region. Today, it remains one of the most recognizable area codes in Southern California and is associated with the entertainment and media industries that are prevalent throughout the region.
The North American Numbering Plan (NANP) is the standardized system that designates area codes like 323 throughout North America, including the United States, Canada, and several Caribbean nations. Under this system, area codes are assigned by the North American Numbering Plan Administrator (NANPA) based on geographic regions and population density, ensuring efficient distribution of the limited pool of available telephone numbers. When a region exhausts its available numbers within an existing area code, regulatory bodies implement overlayswhere a new area code covers the same geographic areaor splits, where a new code replaces the old one in part of the territory. The 323 overlay solution allowed Los Angeles to maintain the original 213 area code while providing additional numbering capacity for the region's continued growth.