ZIP Code ZIP 92173

The 92173 ZIP code defines the border community of San Ysidro, California, sitting directly adjacent to the Tijuana international border crossing roughly 15 miles south of downtown San Diego. It is bounded by Otay Mesa West to the north, the U.S.–Mexico border to the south, Imperial Beach to the west, and Otay Mesa to the east. Attached real estate provides some of the South Bay’s most affordable housing options, with condo and townhouse prices currently ranging from $345,000 to $549,999.