ZIP Codes in Humboldt County IA

Find homes in popular Humboldt County IA zip codes or search by region, city or neighborhood.

• 50548
• 50533
• 50542
• 50541
• 50560
• 50516
• 50519
• 50545
• 50570
• 50520
• 50558
• 50591
• 50577
• 50582
• 50529