Yes, and it covers most of the Greater Houston-Galveston area. Specifically, the KelseyCare Aetna service area includes all ZIP codes in Harris, Fort Bend, and Montgomery counties. It also includes select ZIP codes in Galveston, Brazoria, and Chambers counties. ZIP codes are as follows: 77301, 77301 , 77302, 77303, 77304, 77305, 77306, 77316, 77318, 77333, 77353, 77354, 77355, 77356, 77357, 77362, 77365, 77372, 77378, 77380, 77381, 77382, 77384, 77385, 77386, 77387, 77393, 77510, 77511, 77512, 77517, 77518, 77539, 77546, 77549, 77550, 77551, 77552, 77553, 77554, 77555, 77563, 77565, 77568, 77573, 77574, 77578, 77581, 77583, 77581, 77583, 77584, 77590, 77591, 77592, 77617, 77623, and 77650. View the full listing of ZIP Codes in the Service Area Map