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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Idaho ZIP Codes

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

State ZIP Code City County Area Codes
ID 83849 Osburn Shoshone County 208, 986
ID 83850 Pinehurst Shoshone County 208, 986
ID 83851 Plummer Benewah County 208, 509, 986
ID 83852 Ponderay Bonner County 208, 986
ID 83853 Porthill Boundary County 208
ID 83854 Post Falls Kootenai County 208, 509, 986
ID 83855 Potlatch Latah County 208, 509, 986
ID 83856 Priest River Bonner County 208, 236, 250, 509, 672, 778, 986
ID 83857 Princeton Latah County 208, 986
ID 83858 Rathdrum Kootenai County 208, 986
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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.