In any community college district which has geographical boundaries encompassing more than 200 square miles and which divides the area it serves into smaller areas for assignment of classified personnel, when an eligibility list is exhausted in one assignment area but there are available eligibles in another assignment area, an area eligibility list may be established for the assignment area in which the eligibility list is exhausted. The life of such new area eligibility list shall be one year. Seniority for the purpose specified in Section 88127 shall continue to be districtwide.