(a) San Diego County contains the following public notice districts:

1. (1) El Cajon District, which is comprised of the Cities of El Cajon, La Mesa, Lemon Grove, and Santee and the unincorporated areas known as Alpine, Bostonia, Casa de Oro, Jamul, La Presa, Lakeside, Mount Helix, Ramona, Rancho San Diego, San Diego Country Estates, Spring Valley, and Winter Gardens.
2. (2) North County District, which is comprised of the Cities of Carlsbad, Del Mar, Encinitas, Escondido, Oceanside, San Marcos, Solana Beach, and Vista and the unincorporated areas known as Camp Pendleton, Fairbanks Ranch, Fallbrook, and Rancho Santa Fe.
3. (3) San Diego District, which is comprised of the Cities of Poway and San Diego, excluding that part of the City of San Diego that is in the South Bay District.
4. (4) South Bay District, which is comprised of the Cities of Chula Vista, Coronado, Imperial Beach, and National City, the unincorporated area known as Bonita, and that part of the City of San Diego lying south of the City of Chula Vista.

(b) For the purpose of publishing notice arising from a location within San Diego County that is not within one of the districts described in subdivision (a):

1. (1) If the location is within 10 miles of a district, notice shall be published in the nearest district.
2. (2) If the location is not within 10 miles of a district, notice shall be given as if the location is in a public notice district without a newspaper of general circulation.