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zipcodes.pro — ZIP/37656

37656

ZIP 37656 is Fall Branch, Tennessee, mostly in Washington County; area code 423; Eastern time.

Type
Standard
Time zone
America/New_York
County
Washington +2 more
Metro area
Johnson City, TN
Population
3,849
Coordinates
36.4000, -82.6308
☼ Live from 37656 — Fall Branch, TN

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Where 37656 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 37656
  • 🔢 Type 37656 into a pocket calculator and turn it upside down: gSgLE — not quite a word, sorry.
  • ➕ As a number, 37,656 = 2 × 2 × 2 × 3 × 3 × 523. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001001100011000
  • 🏠 Its numerical neighbours: 37650 (Erwin, TN, 23 mi away) and 37657 (Flag Pond, TN, 27 mi away).
  • 🔄 Backwards, 37656 becomes 65673 — and that is a real ZIP code: Hollister, MO, 588 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (35766, 36567, 36576, 36675, 36756, 36765, …). The farthest-flung twin is 57636 in Lantry, SD, 1,147 miles away.
  • 🧭 Farther south than 67% of all ZIP codes, and farther east than 64%.
  • 🎯897 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 37656 and you would come out at 36.40°S, 97.37°E — 1,099 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 40m.
  • 📏 At 29.1 square miles of land, 37656 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
🌙 The sky over 37656 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,849This ZIP3,849
Households1,578This ZIP1,578
Housing units1,756This ZIP1,756
Median age51.7This ZIP51.7Tennessee38.9US 38.9
Median household income$63,617This ZIP$63,617Tennessee$69,595US $80,734
Median home value$236,600This ZIP$236,600Tennessee$286,700US $332,700
Median gross rent$794This ZIP$794Tennessee$1,189US $1,413
Bachelor's degree or higher22.4%This ZIP22.4%
Mean commute24.9 minThis ZIP24.9 min
Population density132.2 / sq miThis ZIP132.2 / sq mi

Business and tax activity

Business establishments26This ZIP26
Employees123This ZIP123
Annual payroll$4,594,000This ZIP$4,594,000
Tax returns filed1,790This ZIP1,790
Total adjusted gross income$116,010,000This ZIP$116,010,000

Land area

Land area29.11 sq miThis ZIP29.11 sq mi
Water area0.00 sq mi

Counties 37656 spans

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

CountyShare of this ZIP
Washington County 62.8%
Greene County 28.9%
Sullivan County 8.3%

Other place names in 37656

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

ZIP codes near 37656

ZIPCityDistance
37663 Kingsport, TN 9.0 mi
37660 Kingsport, TN 9.4 mi
37681 Limestone, TN 9.8 mi
37615 Johnson City, TN 9.9 mi
37664 Kingsport, TN 10.0 mi
37642 Church Hill, TN 10.5 mi
37659 Jonesborough, TN 10.8 mi
37662 Kingsport, TN 10.9 mi
37669 Kingsport, TN 10.9 mi
37690 Telford, TN 11.0 mi

Find every ZIP code within 10 miles of 37656 →

Questions about this ZIP code

Where is ZIP code 37656?

37656 is in Fall Branch, Tennessee, in Washington County, part of the Johnson City, TN metropolitan area. Its published point location is 36.4000, -82.6308.

What county is 37656 in?

37656 spans 3 counties: Washington County, Greene County and Sullivan County. Most of it falls in Washington 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 37656?

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

What time zone is 37656 in?

37656 uses America/New_York.

How many people live in 37656?

About 3,849 people live in ZIP code 37656, in 1,578 households, at 132.2 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 37656?

$63,617 a year, against $69,595 across Tennessee.

What ZIP codes are near 37656?

The closest are 37663 (9 mi), 37660 (9.4 mi), 37681 (9.8 mi), 37615 (9.9 mi) and 37664 (10 mi).

Is 37656 a PO Box ZIP code?

37656 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “37656 ZIP Code — Fall Branch, Tennessee (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37656

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