Sullivan County, Tennessee ZIP Codes
- ZIP records
8 - Cities represented
5 - Sum of listed ZIP population estimates
163,515
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 37660 | Kingsport | 40,996 |
| 2 | 37620 | Bristol | 38,494 |
| 3 | 37664 | Kingsport | 28,267 |
| 4 | 37617 | Blountville | 14,744 |
| 5 | 37663 | Kingsport | 14,230 |
| 6 | 37618 | Bluff City | 12,548 |
| 7 | 37686 | Piney Flats | 9,495 |
| 8 | 37665 | Kingsport | 4,741 |
Cities in Sullivan County
ZIP Directory
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Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.