The southern section of AEOE includes zip codes starting with 90, 91, 92, and part of 93.
It includes the following counties: Imperial, Kern, Los Angeles, Orange, Riverside, San Bernardino, San Diego, San Luis Obispo, Santa Barbara, and Ventura.
It is defined by the "Kern County Line", which runs east-west and has San Luis Obispo, Kern, and San Bernardino counties on the south.
