Jefferson County, Washington ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
98368Port Townsend17,304
98331Forks5,826
98365Port Ludlow5,168
98339Port Hadlock3,658
98376Quilcene1,982
98325Chimacum1,775
98320Brinnon1,219
98358Nordland1,164

Overview of ZIP Codes in Jefferson 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.
8
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 8 ZCTAs in Jefferson County, Washington (US Census).

Sources

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

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