Canyon County, Idaho ZIP Codes

Zip Code
City
Population ↓
83686Nampa60,993
83687Nampa43,135
83605Caldwell41,325
83651Nampa38,121
83607Caldwell35,491
83644Middleton16,293
83660Parma6,434
83676Wilder5,105
83626Greenleaf1,935
83656Notus560

Overview of ZIP Codes in Canyon County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
10
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Canyon County, Idaho (US Census).

Sources

  1. US Census: 2025 Gazetteer Files
  2. US Census: ZIP Code Tabulation Areas (ZCTAs)

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