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zipcodes.pro — ZIP/37643

37643

ZIP 37643 is in Elizabethton, Tennessee, mostly in Carter County; area code 423; Eastern time. Elizabethton has 2 ZIP codes; the other is 37644.

Type
Standard
Time zone
America/New_York
County
Carter +1 more
Metro area
Johnson City, TN
Population
34,120
Coordinates
36.3705, -82.1223
☼ Live from 37643 — Elizabethton, TN

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Where 37643 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.

★ Weird and wonderful facts about 37643
  • 🔢 Type 37643 into a pocket calculator and turn it upside down: EhgLE — not quite a word, sorry.
  • ➕ 37643 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001001100001011
  • 🏠 Its numerical neighbours: 37642 (Church Hill, TN, 35 mi away) and 37644 (Elizabethton, TN, 5 mi away).
  • 🔄 Backwards, 37643 becomes 34673 — and that is a real ZIP code: Port Richey, FL, 561 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (33467, 33476, 33647, 33674, 33764, 34637, …). The farthest-flung twin is 76433 in Bluff Dale, TX, 948 miles away.
  • 🧭 Farther south than 67% of all ZIP codes, and farther east than 66%.
  • 🎯925 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 37643 and you would come out at 36.37°S, 97.88°E — 1,071 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 41m.
  • 📏 At 131.1 square miles of land, 37643 is bigger than 84% of ZIP codes — room for about 100 Central Parks.
🌙 The sky over 37643 today
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🌋 Shake report
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Source: USGS.

People and housing

Population34,120This ZIP34,120
Households14,630This ZIP14,630
Housing units16,602This ZIP16,602
Median age46.0This ZIP46.0Tennessee38.9US 38.9
Median household income$51,831This ZIP$51,831Tennessee$69,595US $80,734
Median home value$166,600This ZIP$166,600Tennessee$286,700US $332,700
Median gross rent$732This ZIP$732Tennessee$1,189US $1,413
Bachelor's degree or higher20.4%This ZIP20.4%
Mean commute23.9 minThis ZIP23.9 min
Population density260.3 / sq miThis ZIP260.3 / sq mi

Business and tax activity

Business establishments545This ZIP545
Employees7,366This ZIP7,366
Annual payroll$276,328,000This ZIP$276,328,000
Tax returns filed14,000This ZIP14,000
Total adjusted gross income$770,869,000This ZIP$770,869,000

Land area

Land area131.09 sq miThis ZIP131.09 sq mi
Water area0.54 sq miThis ZIP0.54 sq mi

Counties 37643 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Carter County 98.8%
Unicoi County 1.2%

Other place names in 37643

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 37643

ZIPCityDistance
37644 Elizabethton, TN 5.1 mi
37658 Hampton, TN 7.8 mi
37618 Bluff City, TN 7.9 mi
37694 Watauga, TN 8.8 mi
37640 Butler, TN 8.8 mi
37682 Milligan College, TN 10.6 mi
37699 Piney Flats, TN 10.7 mi
37601 Johnson City, TN 11.1 mi
37621 Bristol, TN 12.2 mi
37620 Bristol, TN 12.5 mi

Find every ZIP code within 10 miles of 37643 →

Questions about this ZIP code

Where is ZIP code 37643?

37643 is in Elizabethton, Tennessee, in Carter County, part of the Johnson City, TN metropolitan area. Its published point location is 36.3705, -82.1223.

What county is 37643 in?

37643 spans 2 counties: Carter County and Unicoi County. Most of it falls in Carter 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 37643?

Elizabethton uses area code 423, from NANPA's telephone records.

What time zone is 37643 in?

37643 uses America/New_York.

How many people live in 37643?

About 34,120 people live in ZIP code 37643, in 14,630 households, at 260.3 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 37643?

$51,831 a year, against $69,595 across Tennessee.

What ZIP codes are near 37643?

The closest are 37644 (5.1 mi), 37658 (7.8 mi), 37618 (7.9 mi), 37694 (8.8 mi) and 37640 (8.8 mi).

Is 37643 a PO Box ZIP code?

37643 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “37643 ZIP Code — Elizabethton, Tennessee (Carter County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37643

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