37663
ZIP 37663 is in Kingsport, Tennessee, mostly in Sullivan County; area code 423; Eastern time. Kingsport has 6 ZIP codes; the others are 37660, 37662, 37664, 37665 and 37669.
- Type
- Standard
- Time zone
- America/New_York
- County
- Sullivan +1 more
- Metro area
- Kingsport-Bristol, TN-VA
- Population
- 14,230
- Coordinates
- 36.4630, -82.4887
Weather right now
Asking the National Weather Service…
Where 37663 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 37663 into a pocket calculator and turn it upside down: EggLE — not quite a word, sorry.
- ➕ 37663 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001001100011111 - 🏠 Its numerical neighbours: 37662 (Kingsport, TN, 7 mi away) and 37664 (Kingsport, TN, 3 mi away).
- 🔄 Backwards, 37663 becomes 36673, which is not a ZIP code at all.
- 👥 17 other ZIP codes are made of exactly the same digits (33766, 36376, 36736, 36763, 37366, 63367, …). The farthest-flung twin is 76363 in Goree, TX, 984 miles away.
- 🧭 Farther south than 67% of all ZIP codes, and farther east than 65%.
- 🎯903 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 37663 and you would come out at 36.46°S, 97.51°E — 1,092 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 40m.
- 📏 At 25.8 square miles of land, 37663 is bigger than 42% of ZIP codes — room for about 20 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 14,230This ZIP14,230 |
|---|---|
| Households | 6,268This ZIP6,268 |
| Housing units | 6,589This ZIP6,589 |
| Median age | 47.1This ZIP47.1Tennessee38.9US 38.9 |
| Median household income | $76,007This ZIP$76,007Tennessee$69,595US $80,734 |
| Median home value | $238,900This ZIP$238,900Tennessee$286,700US $332,700 |
| Median gross rent | $940This ZIP$940Tennessee$1,189US $1,413 |
| Bachelor's degree or higher | 34.9%This ZIP34.9% |
| Mean commute | 20.9 minThis ZIP20.9 min |
| Population density | 552.6 / sq miThis ZIP552.6 / sq mi |
Business and tax activity
| Business establishments | 311This ZIP311 |
|---|---|
| Employees | 4,207This ZIP4,207 |
| Annual payroll | $219,279,000This ZIP$219,279,000 |
| Tax returns filed | 7,150This ZIP7,150 |
| Total adjusted gross income | $559,476,000This ZIP$559,476,000 |
Land area
| Land area | 25.75 sq miThis ZIP25.75 sq mi |
|---|---|
| Water area | 0.97 sq miThis ZIP0.97 sq mi |
Counties 37663 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Sullivan County | 95.1% |
| Washington County | 4.9% |
Other place names in 37663
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 37663
| ZIP | City | Distance |
|---|---|---|
37664 | Kingsport, TN | 3.3 mi |
37615 | Johnson City, TN | 4.9 mi |
37660 | Kingsport, TN | 6.4 mi |
37662 | Kingsport, TN | 7.2 mi |
37669 | Kingsport, TN | 7.2 mi |
37686 | Piney Flats, TN | 7.9 mi |
37617 | Blountville, TN | 8.0 mi |
37656 | Fall Branch, TN | 9.0 mi |
37665 | Kingsport, TN | 9.3 mi |
37699 | Piney Flats, TN | 10.7 mi |
Find every ZIP code within 10 miles of 37663 →
Questions about this ZIP code
Where is ZIP code 37663?
37663 is in Kingsport, Tennessee, in Sullivan County, part of the Kingsport-Bristol, TN-VA metropolitan area. Its published point location is 36.4630, -82.4887.
What county is 37663 in?
37663 spans 2 counties: Sullivan County and Washington County. Most of it falls in Sullivan County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 37663?
Kingsport uses area code 423, from NANPA's telephone records.
What time zone is 37663 in?
37663 uses America/New_York.
How many people live in 37663?
About 14,230 people live in ZIP code 37663, in 6,268 households, at 552.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 37663?
$76,007 a year, against $69,595 across Tennessee.
What ZIP codes are near 37663?
The closest are 37664 (3.3 mi), 37615 (4.9 mi), 37660 (6.4 mi), 37662 (7.2 mi) and 37669 (7.2 mi).
Is 37663 a PO Box ZIP code?
37663 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “37663 ZIP Code — Kingsport, Tennessee (Sullivan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37663
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/37663.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.