Founded in 1889, Orange County is one of 58 counties in the state of California. Historically, Orange County was formed from Los Angeles. The city of Santa Ana is the county seat. With FIPS code of 59, Orange County has a population of 3,167,809 and area of 948 square miles (2,455 km2).
List of all cities in Orange County, CA alphabetically
| City/Town | Postal Code | Area Code |
| Aliso Viejo, CA | 92653 | 949 |
| 92656 | 949 | |
| 92698 | 949 | |
| Anaheim, CA | 92801 | 714 |
| 92802 | 714 | |
| 92803 | 714 | |
| 92804 | 714 | |
| 92805 | 714 | |
| 92806 | 714 | |
| 92807 | 714 | |
| 92808 | 714 | |
| 92809 | 714 | |
| 92812 | 714 | |
| 92814 | 714 | |
| 92815 | 714 | |
| 92816 | 714 | |
| 92817 | 714 | |
| 92825 | 714 | |
| 92850 | 714 | |
| 92899 | 714 | |
| Anaheim Hills, CA | 92807 | 714 |
| 92808 | 714 | |
| 92809 | 714 | |
| 92817 | 714 | |
| Atwood, CA | 92811 | 714 |
| Balboa, CA | 92662 | 949 |
| Balboa Island, CA | 92662 | 949 |
| Bank of America, CA | 92725 | 714 |
| Beach Center, CA | 92648 | 714 |
| Brea, CA | 92821 | 714 |
| 92822 | 714 | |
| 92823 | 714 | |
| Bristol, CA | 92703 | 714 |
| Brookhurst Center, CA | 92804 | 714 |
| Buena Park, CA | 90620 | 714 |
| 90621 | 714 | |
| 90622 | 714 | |
| 90623 | 714 | |
| 90624 | 714 | |
| Capistrano Beach, CA | 92624 | 949 |
| Capo Beach, CA | 92624 | 949 |
| Corona del Mar, CA | 92625 | 949 |
| Costa Mesa, CA | 92626 | 949 |
| Costa Mesa, CA | 92627 | 949 |
| 92628 | 949 | |
| Coto de Caza, CA | 92679 | 949 |
| Cowan Heights, CA | 92705 | 714 |
| Cypress, CA | 90630 | 714 |
| 90720 | 562 | |
| Dana Point, CA | 92624 | 949 |
| 92629 | 949 | |
| Diamond, CA | 92704 | 714 |
| Dove Canyon, CA | 92679 | 949 |
| East Irvine, CA | 92650 | 949 |
| El Toro, CA | 92609 | 949 |
| 92610 | 949 | |
| 92630 | 949 | |
| Federal, CA | 92805 | 714 |
| Fluor Corp, CA | 92698 | 949 |
| Foothill Ranch, CA | 92610 | 949 |
| Fountain Valley, CA | 92708 | 714 |
| 92728 | 714 | |
| Fullerton, CA | 92831 | 714 |
| 92832 | 714 | |
| 92833 | 714 | |
| 92834 | 714 | |
| 92835 | 714 | |
| 92836 | 714 | |
| 92837 | 714 | |
| 92838 | 714 | |
| Garden Grove, CA | 92840 | 714 |
| 92841 | 714 | |
| 92842 | 714 | |
| 92843 | 714 | |
| 92844 | 714 | |
| 92845 | 714 | |
| 92846 | 714 | |
| Holiday, CA | 92802 | 714 |
| Household Finance, CA | 92850 | 714 |
| Huntington, CA | 92646 | 714 |
| Huntington Beach, CA | 92605 | 714 |
| 92615 | 714 | |
| 92646 | 714 | |
| 92647 | 714 | |
| 92648 | 714 | |
| 92649 | 714 | |
| Irvine, CA | 92602 | 949 |
| 92603 | 949 | |
| 92604 | 949 | |
| 92606 | 949 | |
| 92612 | 949 | |
| 92614 | 949 | |
| 92616 | 949 | |
| 92617 | 949 | |
| 92618 | 949 | |
| 92619 | 949 | |
| 92620 | 949 | |
| 92623 | 949 | |
| 92650 | 949 | |
| 92697 | 949 | |
| King, CA | 92706 | 714 |
| La Habra, CA | 90631 | 562 |
| 90632 | 562 | |
| 90633 | 562 | |
| La Habra Heights, CA | 90631 | 562 |
| La Palma, CA | 90623 | 714 |
| Ladera Ranch, CA | 92694 | 949 |
| Laguna Beach, CA | 92607 | 949 |
| 92637 | 949 | |
| 92651 | 949 | |
| 92652 | 949 | |
| 92653 | 949 | |
| 92654 | 949 | |
| 92656 | 949 | |
| 92677 | 949 | |
| 92698 | 949 | |
| Laguna Hills, CA | 92637 | 949 |
| 92653 | 949 | |
| 92654 | 949 | |
| 92656 | 949 | |
| Laguna Niguel, CA | 92607 | 949 |
| 92677 | 949 | |
| Laguna Woods, CA | 92637 | 949 |
| 92653 | 949 | |
| 92654 | 949 | |
| Lake Forest, CA | 92609 | 949 |
| 92610 | 949 | |
| 92630 | 949 | |
| Los Alamitos, CA | 90720 | 562 |
| 90721 | 562 | |
| Midway City, CA | 92655 | 714 |
| Mission Viejo, CA | 92675 | 949 |
| 92690 | 949 | |
| 92691 | 949 | |
| 92692 | 949 | |
| 92694 | 949 | |
| Modjeska, CA | 92676 | 714 |
| Modjeska Canyon, CA | 92676 | 714 |
| Monarch Bay, CA | 92629 | 949 |
| Monarch Beach, CA | 92629 | 949 |
| Newport Beach, CA | 92657 | 949 |
| 92658 | 949 | |
| 92659 | 949 | |
| 92660 | 949 | |
| 92661 | 949 | |
| 92662 | 949 | |
| 92663 | 949 | |
| 92657 | 949 | |
| North Tustin, CA | 92705 | 714 |
| Orange, CA | 92856 | 714 |
| 92857 | 714 | |
| 92859 | 714 | |
| 92861 | 714 | |
| 92862 | 714 | |
| 92863 | 714 | |
| 92864 | 714 | |
| 92865 | 714 | |
| 92866 | 714 | |
| 92867 | 714 | |
| 92868 | 714 | |
| 92869 | 714 | |
| Placentia, CA | 92870 | 714 |
| 92871 | 714 | |
| Playa, CA | 92652 | 949 |
| Portola Hills, CA | 92679 | 949 |
| Rancho Santa Margarita, CA | 92688 | 949 |
| Robinson Ranch, CA | 92679 | 949 |
| Rossmoor, CA | 90720 | 562 |
| San Clemente, CA | 92672 | 949 |
| 92673 | 949 | |
| 92674 | 949 | |
| San Juan Capistrano, CA | 92675 | 949 |
| 92690 | 949 | |
| 92691 | 949 | |
| 92692 | 949 | |
| 92693 | 949 | |
| 92694 | 949 | |
| San Juan Capo, CA | 92675 | 949 |
| 92690 | 949 | |
| 92691 | 949 | |
| 92692 | 949 | |
| 92693 | 949 | |
| Santa Ana, CA | 92701 | 714 |
| 92702 | 714 | |
| 92703 | 714 | |
| 92704 | 714 | |
| 92705 | 714 | |
| 92706 | 714 | |
| 92707 | 714 | |
| 92708 | 714 | |
| 92711 | 714 | |
| 92712 | 714 | |
| 92725 | 714 | |
| 92728 | 714 | |
| 92735 | 714 | |
| 92799 | 714 | |
| Seal Beach, CA | 90740 | 562 |
| Silverado, CA | 92676 | 714 |
| South Laguna, CA | 92651 | 949 |
| South Main, CA | 92707 | 714 |
| Stanton, CA | 90680 | 714 |
| Sunkist, CA | 92806 | 714 |
| Sunset Beach, CA | 90742 | 562 |
| Surfside, CA | 90743 | 562 |
| Trabuco, CA | 92679 | 949 |
| Trabuco Canyon, CA | 92678 | 949 |
| 92679 | 949 | |
| 92688 | 949 | |
| Tustin, CA | 92780 | 714 |
| 92781 | 714 | |
| 92782 | 714 | |
| University of California Irvine, CA | 92697 | 949 |
| Villa Park, CA | 92861 | 714 |
| 92867 | 714 | |
| Westminster, CA | 92683 | 714 |
| 92684 | 714 | |
| 92685 | 714 | |
| Yorba Linda, CA | 92885 | 714 |
| 92886 | 714 | |
| 92887 | 714 |
Map of Cities in Orange County, CA
