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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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Grundy County ZIP Codes

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

County State ZIP Code City Area Codes
Grundy County MO 64679 Spickard 660
Grundy County MO 64683 Trenton 660
Grundy County TN 37301 Altamont 931
Grundy County TN 37305 Beersheba Springs 931
Grundy County TN 37313 Coalmont 931
Grundy County TN 37339 Gruetli Laager 423, 931
Grundy County TN 37356 Monteagle 423, 931
Grundy County TN 37365 Palmer 423, 931
Grundy County TN 37366 Pelham 931
Grundy County TN 37387 Tracy City 423, 931
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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.