Sullivan County, TN ZIP codes
There are 13 ZIP codes in Sullivan County, TN, in 5 towns, from 37617 to 37699. The largest are 37660 (Kingsport), 37620 (Bristol) and 37664 (Kingsport).
The county seat is Blountville.
- ZIP codes
- 13
- Towns
- 5
- County seat
- Blountville
- County FIPS
47163- State
- Tennessee
- Population
- 160,624
- Median household income
- $58,807
- Land area
- 414 sq mi
- Area code
- 423
- Metro area
- Kingsport-Bristol
Sullivan County ZIP codes by town
- Blountville (county seat)
- 37617
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of Sullivan County ZIP codes
The ZIP codes of Sullivan County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Sullivan County in numbers
About 160,624 people live in Sullivan County, in 68,907 households, the 9th most populous of Tennessee's 95 counties. The median household income is $58,807 a year, 16% below the Tennessee median of $69,595 (US: $80,734). The median owner-occupied home is valued at $213,300 (26% below the Tennessee median), and median gross rent is $889 a month. The median age is 45.0; 26.8% of adults 25 and over hold a bachelor's degree or higher (31.1% across Tennessee); the average commute takes 22 minutes.
| Population | 160,624 |
|---|---|
| Households | 68,907 |
| Median age | 45.0 |
| Median household income | $58,807 |
| Median home value | $213,300 |
| Median gross rent | $889 |
| Bachelor's degree or higher | 26.8% |
| Mean commute | 21.9 min |
| Population density | 388 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Sullivan County
| Town | ZIP codes | Population |
|---|---|---|
| Kingsport | 6 | 56,262 |
| Bristol | 3 | 27,636 |
| Piney Flats | 2 | 9,495 |
| Blountville | 1 | 3,309 |
| Bluff City | 1 | 2,225 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Sullivan County.
Not sure you are in Sullivan County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Sullivan County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
37617 | Blountville , TN | Standard | 14,744 | $64,764 | $247,700 |
37618 | Bluff City , TN | Standard | 12,548 | $63,851 | $188,900 |
37620 | Bristol , TN | Standard | 38,494 | $56,128 | $188,800 |
37621 | Bristol , TN | No street area | — | — | — |
37625 | Bristol , TN | No street area | — | — | — |
37660 | Kingsport , TN | Standard | 40,996 | $49,191 | $198,500 |
37662 | Kingsport , TN | No street area | — | — | — |
37663 | Kingsport , TN | Standard | 14,230 | $76,007 | $238,900 |
37664 | Kingsport , TN | Standard | 28,267 | $63,653 | $240,000 |
37665 | Kingsport , TN | Standard | 4,741 | $50,991 | $134,400 |
37669 | Kingsport , TN | No street area | — | — | — |
37686 | Piney Flats , TN | Standard | 9,495 | $84,264 | $352,200 |
37699 | Piney Flats , TN | No street area | — | — | — |
Cite this page
zipcodes.pro. “Sullivan County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tn/county/sullivan
Underlying data is public domain or openly licensed — sources, vintages and licences.