Washington County, Tennessee ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
37604Johnson City39,097
37601Johnson City38,008
37659Jonesborough29,080
37615Johnson City22,821
37681Limestone5,723
37690Telford4,722
37656Fall Branch3,849
37614Johnson City2,767

Overview of ZIP Codes in Washington 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 Washington County, Tennessee (US Census).

Sources

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

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