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

Tennessee ZIP Codes

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

State ZIP Code City County Area Codes
TN 37660 Kingsport Sullivan County 276, 423
TN 37662 Kingsport Sullivan County 423
TN 37663 Kingsport Sullivan County 423
TN 37664 Kingsport Sullivan County 423
TN 37665 Kingsport Sullivan County 276, 423
TN 37669 Kingsport Sullivan County 423
TN 37680 Laurel Bloomery Johnson County 276, 336, 423, 743
TN 37681 Limestone Washington County 423
TN 37682 Milligan College Carter County 423
TN 37683 Mountain City Johnson County 336, 423, 743, 828
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Geographic Map of Tennessee

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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.