ALV
CityAliso Viejo
A master-planned South County community set among rolling hills, with a compact town center and access to nearby coastal canyons.
JurisdictionIncorporated city
Orange County, California
Place Codes
A field guide to the cities and communities of Orange County—and the three letters OCCalifornia uses to identify each place.
63places in the
first registry
first registry
3×
Read the code first. Every place receives one unique, three-letter reference for use across the future OCCalifornia network.
Each entry states its legal relationship: an incorporated city, an unincorporated community governed by the County, or a named community within a city.
Showing all 63 places
Municipal governments
Incorporated cities
ANA
CityAnaheim
Orange County’s largest city by population, known for the Disneyland Resort, major sports venues, historic neighborhoods, and a growing downtown.
JurisdictionIncorporated city
BRE
CityBrea
A northern Orange County city with roots in oil and citrus, now recognized for its public art, lively downtown, and foothill setting.
JurisdictionIncorporated city
BPK
CityBuena Park
A northwest county city centered on family attractions, diverse neighborhoods, and the historic stagecoach stop at the Whitaker-Jaynes Estate.
JurisdictionIncorporated city
CMS
CityCosta Mesa
A creative and commercial center near the coast, home to the Segerstrom Center for the Arts, South Coast Plaza, and an active arts district.
JurisdictionIncorporated city
CYP
CityCypress
A residential northwest Orange County community shaped by former dairy lands, tree-lined neighborhoods, schools, and regional business campuses.
JurisdictionIncorporated city
DNP
CityDana Point
A harbor city on the southern coast, known for dramatic headlands, maritime life, surf heritage, and whale-watching departures.
JurisdictionIncorporated city
FNV
CityFountain Valley
A centrally located, predominantly residential city known for Mile Square Regional Park and its motto, “A Nice Place to Live.”
JurisdictionIncorporated city
FUL
CityFullerton
A North County city with a historic downtown, a strong music legacy, extensive trails, and the campus of California State University, Fullerton.
JurisdictionIncorporated city
GGR
CityGarden Grove
A culturally rich central county city, recognized for Little Saigon’s western edge, the Christ Cathedral campus, and its annual strawberry tradition.
JurisdictionIncorporated city
HNB
CityHuntington Beach
A long Pacific shoreline, iconic pier, preserved wetlands, and deep surfing culture give “Surf City USA” its distinctive coastal identity.
JurisdictionIncorporated city
IRV
CityIrvine
A master-planned city organized around villages, parks, and business districts, and home to the University of California, Irvine.
JurisdictionIncorporated city
LHB
CityLa Habra
A community at the county’s northern edge, nestled below the Puente Hills and known for family neighborhoods and a long citrus-growing history.
JurisdictionIncorporated city
LPA
CityLa Palma
One of Orange County’s smallest cities by area, La Palma is a close-knit residential community at the county’s northwestern corner.
JurisdictionIncorporated city
LGB
CityLaguna Beach
An arts-centered coastal city of coves, protected open space, hillside streets, and a century-old tradition of galleries and festivals.
JurisdictionIncorporated city
LGH
CityLaguna Hills
A South County city spanning established neighborhoods and rolling terrain near the historic Moulton Ranch lands and Saddleback Valley.
JurisdictionIncorporated city
LGN
CityLaguna Niguel
A hillside, master-planned community distinguished by greenbelts, ridgeline parks, and proximity to the South Orange County coast.
JurisdictionIncorporated city
LGW
CityLaguna Woods
A compact city largely shaped around Laguna Woods Village, with community life and services designed especially for older adults.
JurisdictionIncorporated city
LKF
CityLake Forest
A South County city joining established neighborhoods, lakes, eucalyptus groves, and the newer Foothill Ranch and Portola Hills communities.
JurisdictionIncorporated city
LAM
CityLos Alamitos
A small northwest county city with an equestrian and ranching past, adjacent to the Joint Forces Training Base and the Los Alamitos Race Course.
JurisdictionIncorporated city
MSV
CityMission Viejo
A master-planned Saddleback Valley city centered on hillside neighborhoods, community recreation, and the reservoir at Lake Mission Viejo.
JurisdictionIncorporated city
NPT
CityNewport Beach
A harbor city composed of coastal villages, islands, beaches, and bluffs, with a strong maritime character and access to extensive protected open space.
JurisdictionIncorporated city
ORG
CityOrange
A central county city whose preserved Old Towne district, historic homes, plaza, and Chapman University form a distinctive civic heart.
JurisdictionIncorporated city
PLA
CityPlacentia
A North County community with deep citrus and railroad roots, established neighborhoods, and a growing connection to regional transit.
JurisdictionIncorporated city
RSM
CityRancho Santa Margarita
A planned foothill city built around a central lake and village center, framed by the Santa Ana Mountains and nearby wilderness.
JurisdictionIncorporated city
SCL
CitySan Clemente
Orange County’s southernmost coastal city, known for Spanish Colonial Revival character, celebrated surf breaks, beaches, and its landmark pier.
JurisdictionIncorporated city
SJC
CitySan Juan Capistrano
A historic city centered on Mission San Juan Capistrano, with preserved adobe heritage, equestrian traditions, and a walkable old town.
JurisdictionIncorporated city
SNA
CitySanta Ana
The Orange County seat and a center of civic life, arts, and Latino culture, with a dense historic downtown and enduring neighborhood identity.
JurisdictionIncorporated city
SLB
CitySeal Beach
Orange County’s northernmost beach city, combining a traditional Main Street and pier with wetlands, naval facilities, and distinct residential enclaves.
JurisdictionIncorporated city
STN
CityStanton
A small, diverse central-west county city with an increasingly renewed commercial core and convenient connections to surrounding communities.
JurisdictionIncorporated city
TUS
CityTustin
A central county city connecting a historic old town and established neighborhoods with the evolving Tustin Legacy district on former Marine Corps land.
JurisdictionIncorporated city
VPK
CityVilla Park
A small, low-density residential city known for large lots, citrus-era roots, and a quiet setting beside the eastern Orange foothills.
JurisdictionIncorporated city
WST
CityWestminster
A culturally diverse western county city and the heart of Little Saigon, one of the most significant Vietnamese communities outside Vietnam.
JurisdictionIncorporated city
YBL
CityYorba Linda
A foothill city with an equestrian heritage, spacious neighborhoods, extensive trails, and the birthplace and presidential library of Richard Nixon.
JurisdictionIncorporated city
Governed directly by Orange County
Unincorporated communities
BCH
UnincorporatedBolsa Chica
A coastal unincorporated area beside Huntington Beach, best known for its wetlands, ecological reserve, and remaining county territory.
JurisdictionNear Huntington Beach
CTZ
UnincorporatedCoto de Caza
A gated, master-planned community in southeastern Orange County, set among hills near Trabuco Canyon.
JurisdictionCounty of Orange
CWH
UnincorporatedCowan Heights
A hillside residential community in the North Tustin area, overlooking central Orange County.
JurisdictionCounty of Orange · North Tustin area
EMB
UnincorporatedEmerald Bay
A private coastal community surrounding a sheltered cove between Laguna Beach and Crystal Cove.
JurisdictionCounty of Orange · Laguna coast
LDR
UnincorporatedLadera Ranch
A master-planned South County community organized into villages, parks, trails, and neighborhood centers.
JurisdictionCounty of Orange
LSF
UnincorporatedLas Flores
A master-planned residential community in the foothills east of Mission Viejo and north of Rancho Santa Margarita.
JurisdictionCounty of Orange
LMH
UnincorporatedLemon Heights
A hillside residential community generally associated with North Tustin and the Santa Ana foothills.
JurisdictionCounty of Orange · North Tustin area
MWC
UnincorporatedMidway City
A compact, long-established community surrounded largely by Westminster, with its own distinct local identity.
JurisdictionCounty of Orange · Westminster area
MOD
UnincorporatedModjeska Canyon
A rural canyon community in the Santa Ana Mountains, named for actress Helena Modjeska and known for its wooded setting.
JurisdictionCounty of Orange · Canyon area
NTU
UnincorporatedNorth Tustin
A large unincorporated residential community in the foothills north of Tustin and east of Santa Ana.
JurisdictionCounty of Orange
OPA
UnincorporatedOrange Park Acres
An equestrian community east of Orange, recognized for large lots, horse trails, and a semi-rural landscape.
JurisdictionCounty of Orange · Orange sphere
RMV
UnincorporatedRancho Mission Viejo
A growing master-planned community on historic ranch lands in southeastern Orange County.
JurisdictionCounty of Orange
RSR
UnincorporatedRossmoor
A planned residential community between Los Alamitos and Seal Beach, governed directly by Orange County.
JurisdictionCounty of Orange · Los Alamitos sphere
SGC
UnincorporatedSantiago Canyon
A rural canyon corridor and community landscape along Santiago Canyon Road in eastern Orange County.
JurisdictionCounty of Orange · Canyon area
SLV
UnincorporatedSilverado
A historic rural community in Silverado Canyon, surrounded by the Santa Ana Mountains and Cleveland National Forest.
JurisdictionCounty of Orange · Canyon area
STF
UnincorporatedStonecliffe
A small residential enclave in the South County foothills near Coto de Caza and Wagon Wheel.
JurisdictionCounty of Orange
TRC
UnincorporatedTrabuco Canyon
A rural foothill community with deep ranching and canyon roots near the eastern edge of suburban Orange County.
JurisdictionCounty of Orange · Canyon area
WGW
UnincorporatedWagon Wheel
A small South County community near Coto de Caza and the upper reaches of San Juan Creek.
JurisdictionCounty of Orange
WCN
UnincorporatedWilliams Canyon
A rural canyon community east of Orange, reached through the Santiago Canyon landscape.
JurisdictionCounty of Orange · Canyon area
Named places under a parent city
Communities within cities
ANH
CommunityAnaheim Hills
A hillside district in eastern Anaheim with residential neighborhoods, trails, and views toward the Santa Ana Mountains.
JurisdictionPart of Anaheim (ANA)
BBI
CommunityBalboa Island
A harbor island community reached by bridge and ferry, known for its compact streets and waterfront walk.
JurisdictionPart of Newport Beach (NPT)
BLP
CommunityBalboa Peninsula
A narrow coastal community between the Pacific Ocean and Newport Harbor, including the Balboa and Newport piers.
JurisdictionPart of Newport Beach (NPT)
CPB
CommunityCapistrano Beach
A coastal community at the southern end of Dana Point, historically distinct and centered along the beach and bluff.
JurisdictionPart of Dana Point (DNP)
CDM
CommunityCorona del Mar
A coastal community within Newport Beach, centered on village streets, beaches, coves, and the bluffs above the Pacific.
JurisdictionPart of Newport Beach (NPT)
FHR
CommunityFoothill Ranch
A master-planned community in northeastern Lake Forest, set against the foothills near Whiting Ranch Wilderness Park.
JurisdictionPart of Lake Forest (LKF)
NWC
CommunityNewport Coast
A coastal hillside community within Newport Beach, overlooking Crystal Cove and the Pacific.
JurisdictionPart of Newport Beach (NPT)
PTH
CommunityPortola Hills
A foothill community within Lake Forest, located near Santiago Canyon and Whiting Ranch open space.
JurisdictionPart of Lake Forest (LKF)
SJH
CommunitySan Joaquin Hills
A hillside community within Newport Beach, historically identified separately before annexation into the city.
JurisdictionPart of Newport Beach (NPT)
SSB
CommunitySunset Beach
A narrow beachfront community annexed by Huntington Beach, retaining a distinct seaside identity along Pacific Coast Highway.
JurisdictionPart of Huntington Beach (HNB)
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Quick reference
Incorporated cities
ALV Aliso ViejoANA AnaheimBRE BreaBPK Buena ParkCMS Costa MesaCYP CypressDNP Dana PointFNV Fountain ValleyFUL FullertonGGR Garden GroveHNB Huntington BeachIRV IrvineLHB La HabraLPA La PalmaLGB Laguna BeachLGH Laguna HillsLGN Laguna NiguelLGW Laguna WoodsLKF Lake ForestLAM Los AlamitosMSV Mission ViejoNPT Newport BeachORG OrangePLA PlacentiaRSM Rancho Santa MargaritaSCL San ClementeSJC San Juan CapistranoSNA Santa AnaSLB Seal BeachSTN StantonTUS TustinVPK Villa ParkWST WestminsterYBL Yorba Linda
Unincorporated communities
BCH Bolsa ChicaCTZ Coto de CazaCWH Cowan HeightsEMB Emerald BayLDR Ladera RanchLSF Las FloresLMH Lemon HeightsMWC Midway CityMOD Modjeska CanyonNTU North TustinOPA Orange Park AcresRMV Rancho Mission ViejoRSR RossmoorSGC Santiago CanyonSLV SilveradoSTF StonecliffeTRC Trabuco CanyonWGW Wagon WheelWCN Williams Canyon
Communities within cities
ANH Anaheim HillsBBI Balboa IslandBLP Balboa PeninsulaCPB Capistrano BeachCDM Corona del MarFHR Foothill RanchNWC Newport CoastPTH Portola HillsSJH San Joaquin HillsSSB Sunset Beach