512 4th St N, Humboldt, IA, 50548 (current address)
512 4th St N, Humboldt, IA, 50548 (2002 - 2018)
PO Box 112, Humboldt, IA, 50548 (1992 - 2006)
30 5th St N, Humboldt, IA, 50548 (1996)
512 St 4 N, Humboldt, IA, 50548 (1995 - 1996)
512 4th Sta, Humboldt, IA, 50548 (1990 - 1995)
PO Box 4, Humboldt, IA, 50548 (1990 - 1993)