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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/99040

99040

ZIP 99040 is Wellpinit, Washington, in Stevens County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Stevens
Population
536
Coordinates
47.8985, -118.0037
☼ Live from 99040 — Wellpinit, WA

Weather right now

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NEXRAD radar
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Local time: —

Where 99040 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 99040
  • 🔢 Type 99040 into a pocket calculator and turn it upside down: OhOGG — not quite a word, sorry.
  • ➕ As a number, 99,040 = 2 × 2 × 2 × 2 × 2 × 5 × 619. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000001011100000
  • 🏠 Its numerical neighbours: 99039 (Waverly, WA, 53 mi away) and 99101 (Addy, WA, 29 mi away).
  • 🔄 Backwards, 99040 becomes 04099, which is not a ZIP code at all.
  • 👥 8 other ZIP codes are made of exactly the same digits (00949, 09094, 49009, 49090, 90049, 90094, …). The farthest-flung twin is 09094 in APO AE, a military post office, 4,970 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 91%.
  • 🎯1,112 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99040 and you would come out at 47.90°S, 62.00°E — 388 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 02m of daylight. Shortest: 8h 23m.
  • 📏 At 106.8 square miles of land, 99040 is bigger than 79% of ZIP codes — room for about 81 Central Parks.
🌙 The sky over 99040 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population536This ZIP536
Households278This ZIP278
Housing units297This ZIP297
Median age54.0This ZIP54.0Washington38.3US 38.9
Median household income$70,200This ZIP$70,200Washington$98,141US $80,734
Median home value$182,100This ZIP$182,100Washington$564,600US $332,700
Median gross rent$427This ZIP$427Washington$1,760US $1,413
Bachelor's degree or higher30.1%This ZIP30.1%
Mean commute14.7 minThis ZIP14.7 min
Population density5.0 / sq miThis ZIP5.0 / sq mi

Business and tax activity

Business establishments7This ZIP7
Employees30This ZIP30
Annual payroll$1,688,000This ZIP$1,688,000
Tax returns filed450This ZIP450
Total adjusted gross income$22,875,000This ZIP$22,875,000

Land area

Land area106.82 sq miThis ZIP106.82 sq mi
Water area1.49 sq miThis ZIP1.49 sq mi

ZIP codes near 99040

ZIPCityDistance
99013 Ford, WA 7.9 mi
99129 Fruitland, WA 10.5 mi
99034 Tumtum, WA 11.2 mi
99173 Springdale, WA 11.9 mi
99029 Reardan, WA 15.5 mi
99122 Davenport, WA 17.4 mi
99137 Hunters, WA 18.0 mi
99026 Nine Mile Falls, WA 18.4 mi
99181 Valley, WA 20.2 mi
99110 Clayton, WA 21.0 mi

Find every ZIP code within 10 miles of 99040 →

Questions about this ZIP code

Where is ZIP code 99040?

99040 is in Wellpinit, Washington, in Stevens County, part of the Spokane-Spokane Valley, WA metropolitan area. Its published point location is 47.8985, -118.0037.

What county is 99040 in?

99040 lies in Stevens County.

What area code is 99040?

Wellpinit uses area code 509, from NANPA's telephone records.

What time zone is 99040 in?

99040 uses America/Los_Angeles.

How many people live in 99040?

About 536 people live in ZIP code 99040, in 278 households, at 5.0 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 99040?

$70,200 a year, against $98,141 across Washington.

What ZIP codes are near 99040?

The closest are 99013 (7.9 mi), 99129 (10.5 mi), 99034 (11.2 mi), 99173 (11.9 mi) and 99029 (15.5 mi).

Is 99040 a PO Box ZIP code?

99040 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99040 ZIP Code — Wellpinit, Washington (Stevens County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99040

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