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

Michigan ZIP Codes

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

State ZIP Code City County Area Codes
MI 48624 Gladwin Gladwin County 989
MI 48625 Harrison Clare County 231, 989
MI 48626 Hemlock Saginaw County 989
MI 48627 Higgins Lake Roscommon County 989
MI 48628 Hope Midland County 989
MI 48629 Houghton Lake Roscommon County 231, 989
MI 48630 Houghton Lake Heights Roscommon County 989
MI 48631 Kawkawlin Bay County 989
MI 48632 Lake Clare County 231, 989
MI 48633 Lake George Clare County 989
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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.