Orange County, CA ZIP Codes & Directory
Complete postal guide for Orange County, California. Featuring the official county seat of Santa Ana, largest municipality Anaheim, and serving 42 incorporated municipal entities.
Municipalities Located in Orange County
Incorporated Cities, Towns, and Villages
Aliso Viejo
cityZIPs: 92656
Anaheim
cityZIPs: 92801, 92802 , +7 more
Brea
cityZIPs: 92821, 92823
Buena Park
cityZIPs: 90620, 90621
Capistrano Beach
cityZIPs: 92624
Corona Del Mar
cityZIPs: 92625
Costa Mesa
cityZIPs: 92626, 92627
Cypress
cityZIPs: 90630
Dana Point
cityZIPs: 92629
Foothill Ranch
cityZIPs: 92610
Fountain Valley
cityZIPs: 92708
Fullerton
cityZIPs: 92831, 92832 , +2 more
Garden Grove
cityZIPs: 92840, 92841 , +3 more
Huntington Beach
cityZIPs: 92646, 92647 , +2 more
Irvine
cityZIPs: 92602, 92603 , +7 more
La Habra
cityZIPs: 90631
La Palma
cityZIPs: 90623
Ladera Ranch
cityZIPs: 92694
Laguna Beach
cityZIPs: 92651
Laguna Hills
cityZIPs: 92653
Laguna Niguel
cityZIPs: 92677
Laguna Woods
cityZIPs: 92637
Lake Forest
cityZIPs: 92630
Los Alamitos
cityZIPs: 90720
Midway City
cityZIPs: 92655
Mission Viejo
cityZIPs: 92691, 92692
Newport Beach
cityZIPs: 92660, 92661 , +2 more
Newport Coast
cityZIPs: 92657
Orange
cityZIPs: 92862, 92865 , +4 more
Placentia
cityZIPs: 92870
Rancho Santa Margarita
cityZIPs: 92688
San Clemente
cityZIPs: 92672, 92673
San Juan Capistrano
cityZIPs: 92675
Santa Ana
cityZIPs: 92701, 92703 , +5 more
Seal Beach
cityZIPs: 90740
Silverado
cityZIPs: 92676
Stanton
cityZIPs: 90680
Trabuco Canyon
cityZIPs: 92679
Tustin
cityZIPs: 92780, 92782
Villa Park
cityZIPs: 92861
Westminster
cityZIPs: 92683
Yorba Linda
cityZIPs: 92886, 92887
Active USPS ZIP Codes in Orange County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Orange County, CA
What is the county seat and largest city in Orange County? ▾
The official county seat of Orange County is Santa Ana, and its largest incorporated municipality by population is Anaheim.
How many cities, towns, and villages are in Orange County? ▾
Orange County encompasses 42 incorporated municipal entities, including 42 cities, 0 towns, and 0 villages.
What is the total population and land area of Orange County? ▾
According to official U.S. Census Bureau data, Orange County has a population of approximately 3,186,989 residents and spans an area of 791 square miles.
How many ZIP codes operate in Orange County? ▾
There are 89 active USPS ZIP codes serving addresses within Orange County, California.