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
All states and U.S. territories
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State directory

Arizona ZIP Codes

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

State ZIP Code City County Area Codes
AZ 85318 Glendale Maricopa County 623
AZ 85320 Aguila Maricopa County 623, 928
AZ 85321 Ajo Pima County 520, 623
AZ 85322 Arlington Maricopa County 623, 928
AZ 85323 Avondale Maricopa County 623
AZ 85324 Black Canyon City Yavapai County 480, 623, 928
AZ 85325 Bouse La Paz County 928
AZ 85326 Buckeye Maricopa County 623, 928
AZ 85327 Cave Creek Maricopa County 480
AZ 85328 Cibola La Paz County 442, 760, 928
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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.