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U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

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Polk County ZIP Codes

Browse all ZIP Codes, cities, and associated area codes registered in Polk County.

County State ZIP Code City Area Codes
Polk County FL 33898 Lake Wales 321, 407, 689, 863
Polk County FL 34759 Kissimmee 321, 407, 689, 863
Polk County GA 30104 Aragon 470, 678, 706, 762, 770, 943
Polk County GA 30125 Cedartown 256, 470, 678, 706, 762, 770, 938, 943
Polk County GA 30153 Rockmart 470, 678, 770, 943
Polk County IA 50007 Alleman 515
Polk County IA 50009 Altoona 515
Polk County IA 50021 Ankeny 515
Polk County IA 50023 Ankeny 515
Polk County IA 50032 Berwick 515
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About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.