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/89403

89403

ZIP 89403 is Dayton, Nevada, mostly in Lyon County; area code 775; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Lyon +1 more
Metro area
Reno, NV
Population
17,506
Coordinates
39.2270, -119.4743
☼ Live from 89403 — Dayton, NV

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 89403 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 89403
  • 🔢 Type 89403 into a pocket calculator and turn it upside down: EOhGB — not quite a word, sorry.
  • ➕ As a number, 89,403 = 3 × 17 × 1753. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10101110100111011
  • 🏠 Its numerical neighbours: 89402 (Crystal Bay, NV, 28 mi away) and 89404 (Denio, NV, 183 mi away).
  • 🔄 Backwards, 89403 becomes 30498, which is not a ZIP code at all.
  • 👥 39 other ZIP codes are made of exactly the same digits (03849, 03894, 04938, 04983, 08349, 09834, …). The farthest-flung twin is 09834 in FPO AE, a military post office, 7,870 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther west than 93%.
  • 🎯1,112 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 89403 and you would come out at 39.23°S, 60.53°E — 846 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
  • 📏 At 162.0 square miles of land, 89403 is bigger than 88% of ZIP codes — room for about 123 Central Parks.
🌙 The sky over 89403 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population17,506This ZIP17,506
Households6,688This ZIP6,688
Housing units7,012This ZIP7,012
Median age46.7This ZIP46.7Nevada39.1US 38.9
Median household income$97,153This ZIP$97,153Nevada$78,260US $80,734
Median home value$428,000This ZIP$428,000Nevada$435,400US $332,700
Median gross rent$1,515This ZIP$1,515Nevada$1,597US $1,413
Bachelor's degree or higher20.3%This ZIP20.3%
Mean commute30.9 minThis ZIP30.9 min
Population density108.1 / sq miThis ZIP108.1 / sq mi

Business and tax activity

Business establishments177This ZIP177
Employees1,428This ZIP1,428
Annual payroll$61,209,000This ZIP$61,209,000
Tax returns filed8,860This ZIP8,860
Total adjusted gross income$678,773,000This ZIP$678,773,000

Land area

Land area161.95 sq miThis ZIP161.95 sq mi
Water area0.06 sq miThis ZIP0.06 sq mi

Counties 89403 spans

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

CountyShare of this ZIP
Lyon County 80.4%
Storey County 19.6%

Other place names in 89403

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

ZIP codes near 89403

ZIPCityDistance
89428 Silver City, NV 8.6 mi
89440 Virginia City, NV 11.1 mi
89706 Carson City, NV 12.2 mi
89429 Silver Springs, NV 14.2 mi
89521 Reno, NV 14.7 mi
89701 Carson City, NV 15.1 mi
89702 Carson City, NV 16.5 mi
89711 Carson City, NV 16.7 mi
89712 Carson City, NV 16.7 mi
89713 Carson City, NV 16.7 mi

Find every ZIP code within 10 miles of 89403 →

Questions about this ZIP code

Where is ZIP code 89403?

89403 is in Dayton, Nevada, in Lyon County, part of the Reno, NV metropolitan area. Its published point location is 39.2270, -119.4743.

What county is 89403 in?

89403 spans 2 counties: Lyon County and Storey County. Most of it falls in Lyon 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 89403?

Dayton uses area code 775, from NANPA's telephone records.

What time zone is 89403 in?

89403 uses America/Los_Angeles.

How many people live in 89403?

About 17,506 people live in ZIP code 89403, in 6,688 households, at 108.1 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 89403?

$97,153 a year, against $78,260 across Nevada.

What ZIP codes are near 89403?

The closest are 89428 (8.6 mi), 89440 (11.1 mi), 89706 (12.2 mi), 89429 (14.2 mi) and 89521 (14.7 mi).

Is 89403 a PO Box ZIP code?

89403 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “89403 ZIP Code — Dayton, Nevada (Lyon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/89403

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/89403.json

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