Sullivan County, Tennessee ZIP Codes

8 ZIP Codes

Zip Code
City
Population ↓
37660Kingsport40,996
37620Bristol38,494
37664Kingsport28,267
37617Blountville14,744
37663Kingsport14,230
37618Bluff City12,548
37686Piney Flats9,495
37665Kingsport4,741

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

Sources

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

Recommended Reading