Cities Harold has lived in before are Rock Valley and Doon. David Lee Kosters, Mary Joy Kosters, A Koster and 5 other people are people possibly related to Harold. Harold has listed phone number: (712) 476-2664. Harold now resides at 1109 13Th Ave, Rock Valley, Ia 51247. Harold has reached 94 years of age. Harold's birth date was listed as 1930.