Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/83340

83340

ZIP 83340 is Ketchum, Idaho, in Blaine County; area codes 208 and 986; Mountain time.

Type
Standard
Time zone
America/Boise
County
Blaine
Metro area
Hailey, ID
Population
5,325
Coordinates
43.7361, -114.5819
☼ Live from 83340 — Ketchum, ID

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 83340 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 83340
  • 🔢 Type 83340 into a pocket calculator and turn it upside down: OhEEB — not quite a word, sorry.
  • ➕ As a number, 83,340 = 2 × 2 × 3 × 3 × 5 × 463. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100010110001100
  • 🏠 Its numerical neighbours: 83338 (Jerome, ID, 70 mi away) and 83341 (Kimberly, ID, 90 mi away).
  • 🔄 Backwards, 83340 becomes 04338 — and that is a real ZIP code: Augusta, ME, 2,198 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (03843, 04338, 08343, 30348, 30384, 30438, …). The farthest-flung twin is 34038 in APO AA, a military post office, 3,655 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther west than 88%.
  • 🎯866 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 83340 and you would come out at 43.74°S, 65.42°E — 450 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 27m of daylight. Shortest: 8h 55m.
  • 📏 At 557.7 square miles of land, 83340 is bigger than 98% of ZIP codes — room for about 423 Central Parks.
🌙 The sky over 83340 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,325This ZIP5,325
Households2,821This ZIP2,821
Housing units5,718This ZIP5,718
Median age58.5This ZIP58.5Idaho37.3US 38.9
Median household income$93,556This ZIP$93,556Idaho$77,800US $80,734
Median home value$958,600This ZIP$958,600Idaho$418,600US $332,700
Median gross rent$1,210This ZIP$1,210Idaho$1,238US $1,413
Bachelor's degree or higher63.1%This ZIP63.1%
Mean commute13.3 minThis ZIP13.3 min
Population density9.5 / sq miThis ZIP9.5 / sq mi

Business and tax activity

Business establishments701This ZIP701
Employees5,360This ZIP5,360
Annual payroll$316,369,000This ZIP$316,369,000
Tax returns filed3,940This ZIP3,940
Total adjusted gross income$1,364,349,000This ZIP$1,364,349,000

Land area

Land area557.70 sq miThis ZIP557.70 sq mi
Water area3.11 sq miThis ZIP3.11 sq mi

Other place names in 83340

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

ZIP codes near 83340

ZIPCityDistance
83353 Sun Valley, ID 13.2 mi
83354 Sun Valley, ID 13.7 mi
83327 Fairfield, ID 18.7 mi
83333 Hailey, ID 20.5 mi
83227 Clayton, ID 29.5 mi
83716 Boise, ID 30.4 mi
83313 Bellevue, ID 32.9 mi
83601 Atlanta, ID 34.4 mi
83322 Corral, ID 34.8 mi
83251 Mackay, ID 34.9 mi

Find every ZIP code within 10 miles of 83340 →

Questions about this ZIP code

Where is ZIP code 83340?

83340 is in Ketchum, Idaho, in Blaine County, part of the Hailey, ID micropolitan area. Its published point location is 43.7361, -114.5819.

What county is 83340 in?

83340 lies in Blaine County.

What area code is 83340?

Ketchum uses area codes 208 and 986, from NANPA's telephone records.

What time zone is 83340 in?

83340 uses America/Boise.

How many people live in 83340?

About 5,325 people live in ZIP code 83340, in 2,821 households, at 9.5 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 83340?

$93,556 a year, against $77,800 across Idaho.

What ZIP codes are near 83340?

The closest are 83353 (13.2 mi), 83354 (13.7 mi), 83327 (18.7 mi), 83333 (20.5 mi) and 83227 (29.5 mi).

Is 83340 a PO Box ZIP code?

83340 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “83340 ZIP Code — Ketchum, Idaho (Blaine County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83340

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/83340.json

Underlying data is public domain or openly licensed — sources, vintages and licences.