Why you'd want to live in 92127

4S Ranch, Del Sur, and Rancho Bernardo encompass the 92127 zip code. These highly desirable master planned communities - boast highly rated schools, tree-lined streets, community shops/restaurants, and recreational parks and activities throughout. Ideal for active professionals and growing families who are looking for a true sense of "community" where they live and play. Conveniently located between the I-5 and I-15 Highways for quick access to your San Diego destinations. 4S Ranch and Del Sur are both new communities: Home development in 4S Ranch began in the early 2000s and Del Sur in the mid-2000s