ZIP Code ZIP 92021

The 92021 ZIP code occupies the northeastern quadrant of El Cajon, California, including Bostonia and the foothills near Lake Jennings. It is bounded by Lakeside to the north, 92019 to the south, Highway 67 to the west, and Alpine to the east. Attached options consist largely of established low-rise complexes and suburban townhomes, with prices ranging from $275,000 to $999,999.