Franklin County, Idaho ZIP Codes

Zip Code
City
Population ↓
83263Preston9,940
83286Weston1,668
83237Franklin1,567
83228Clifton1,134
83232Dayton562
83283Thatcher185

Overview of ZIP Codes in Franklin 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.
6
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 6 ZCTAs in Franklin County, Idaho (US Census).

Sources

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

Recommended Reading