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/83303

83303

ZIP 83303 is in Twin Falls, Idaho, in Twin Falls County; area codes 208 and 986; Mountain time. Twin Falls has 2 ZIP codes; the other is 83301.

Type
No street area
Time zone
America/Boise
County
Twin Falls
Metro area
Twin Falls, ID
Coordinates
42.5630, -114.4609

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 83301, whose figures describe that area — not this ZIP code.

☼ Live from 83303 — Twin Falls, ID

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Where 83303 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 83303
  • 🔢 Type 83303 into a pocket calculator and turn it upside down: EOEEB — not quite a word, sorry.
  • ➕ As a number, 83,303 = 11 × 7573. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100010101100111
  • 🏠 Its numerical neighbours: 83302 (Rogerson, ID, 37 mi away) and 83311 (Albion, ID, 47 mi away).
  • 🔄 Backwards, 83303 becomes 30338 — and that is a real ZIP code: Atlanta, GA, 1,729 miles away.
  • 👥 10 other ZIP codes are made of exactly the same digits (03833, 30338, 30833, 33083, 33308, 33803, …). The farthest-flung twin is 33083 in Hollywood, FL, 2,246 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther west than 88%.
  • 🎯846 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 83303 and you would come out at 42.56°S, 65.54°E — 520 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 03m.
🌙 The sky over 83303 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments59This ZIP59
Employees1,312This ZIP1,312
Annual payroll$80,355,000This ZIP$80,355,000

Land area

ZIP codes near 83303

ZIPCityDistance
83328 Filer, ID 7.9 mi
83341 Kimberly, ID 9.8 mi
83338 Jerome, ID 11.5 mi
83325 Eden, ID 11.6 mi
83301 Twin Falls, ID 11.7 mi
83334 Hansen, ID 13.0 mi
83355 Wendell, ID 18.9 mi
83335 Hazelton, ID 19.7 mi
83344 Murtaugh, ID 19.7 mi
83316 Buhl, ID 21.9 mi

Find every ZIP code within 10 miles of 83303 →

Questions about this ZIP code

Where is ZIP code 83303?

83303 is in Twin Falls, Idaho, in Twin Falls County, part of the Twin Falls, ID metropolitan area. Its published point location is 42.5630, -114.4609.

What county is 83303 in?

83303 lies in Twin Falls County.

What area code is 83303?

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

What time zone is 83303 in?

83303 uses America/Boise.

What ZIP codes are near 83303?

The closest are 83328 (7.9 mi), 83341 (9.8 mi), 83338 (11.5 mi), 83325 (11.6 mi) and 83301 (11.7 mi).

Is 83303 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “83303 ZIP Code — Twin Falls, Idaho (Twin Falls County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83303

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