U.S. postal lookup

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.

42,735 verified records

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State directory

Iowa ZIP Codes

Complete postal directory, details, and geographic map for the State of Iowa.

State	ZIP Code	City	County	Area Codes
IA	52210	Brandon	Buchanan County	`319`
IA	52211	Brooklyn	Poweshiek County	`641`
IA	52212	Center Junction	Jones County	`319, 563`
IA	52213	Center Point	Linn County	`319`
IA	52214	Central City	Linn County	`319`
IA	52215	Chelsea	Tama County	`319, 641`
IA	52216	Clarence	Cedar County	`563`
IA	52217	Clutier	Tama County	`319`
IA	52218	Coggon	Linn County	`319, 563`
IA	52219	Prairieburg	Linn County	`319`

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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.