Areas of Carlsbad
Northwest quadrant
The northwest quadrant of Carlsbad (ZIP code 92008) includes the downtown “Village,” the Barrio, and “Old Carlsbad.” It was the first part of Carlsbad to be settled. Homes range from 1950s cottages and bungalows to elegant mansions on the hill overlooking the ocean. It is also home to Hosp Grove Park, a grove of trees relatively untouched by development and now designated by the city for recreational use, in addition to the Buena Vista and Agua Hedionda Lagoons. It is located west of El Camino Real and north of Palomar Airport Road.
Northeast quadrant
This quadrant (ZIP code 92010) is located east of El Camino Real and north of Palomar Airport Road and consists mostly of single-family homes, with larger lots found in the older area known as Chestnut Hills and the new developments around Calavera Hills.
Southeast quadrant
The southeast quadrant (ZIP code 92009) is located east of El Camino Real and south of Palomar Airport Road and features several newer expensive master-planned communities set among hillsides, golf courses, Alga Norte Community Park and permanent open spaces. It includes Bressi Ranch and the La Costa neighborhoods of Rancho La Costa, La Costa Ridge, La Costa Oaks, La Costa Greens. In 1965, La Costa gave its name to the Gold Medal Golf Resort, La Costa Resort and Spa, now known as the Omni La Costa Resort and Spa.[26] Residents here are served by the Carlsbad Unified School District, San Marcos Unified School District and the Encinitas Union School District.
Southwest quadrant
This quadrant (ZIP code 92011) extends along the Pacific Ocean to the south of the center of Carlsbad. It includes the Aviara neighborhood. It is located west of El Camino Real and south of Palomar Airport Road.