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zipcodes.pro — ZIP/99371

99371

ZIP 99371 is Washtucna, Washington, mostly in Adams County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Adams +1 more
Metro area
Othello, WA
Population
394
Coordinates
46.7853, -118.3322
☼ Live from 99371 — Washtucna, WA

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Where 99371 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 99371
  • 🔢 Type 99371 into a pocket calculator and turn it upside down: ILEGG — not quite a word, sorry.
  • ➕ 99371 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010000101011
  • 🏠 Its numerical neighbours: 99363 (Wallula, WA, 57 mi away) and 99401 (Anatone, WA, 71 mi away).
  • 🔄 Backwards, 99371 becomes 17399, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (19397, 19973, 31799, 31997, 37919, 39179, …). The farthest-flung twin is 19973 in Seaford, DE, 2,211 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 92%.
  • 🎯1,099 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99371 and you would come out at 46.79°S, 61.67°E — 432 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 52m of daylight. Shortest: 8h 32m.
  • 📏 At 215.9 square miles of land, 99371 is bigger than 92% of ZIP codes — room for about 164 Central Parks.
🌙 The sky over 99371 today
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🌋 Shake report
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Source: USGS.

People and housing

Population394This ZIP394
Households150This ZIP150
Housing units268This ZIP268
Median age46.3This ZIP46.3Washington38.3US 38.9
Median household income$77,500This ZIP$77,500Washington$98,141US $80,734
Median home value$217,500This ZIP$217,500Washington$564,600US $332,700
Median gross rent$281This ZIP$281Washington$1,760US $1,413
Bachelor's degree or higher17.7%This ZIP17.7%
Mean commute16.4 minThis ZIP16.4 min
Population density1.8 / sq miThis ZIP1.8 / sq mi

Business and tax activity

Business establishments4This ZIP4
Employees11This ZIP11
Annual payroll$535,000This ZIP$535,000
Tax returns filed100This ZIP100
Total adjusted gross income$6,192,000This ZIP$6,192,000

Land area

Land area215.89 sq miThis ZIP215.89 sq mi
Water area0.75 sq miThis ZIP0.75 sq mi

Counties 99371 spans

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

CountyShare of this ZIP
Adams County 79.0%
Franklin County 21.0%

Other place names in 99371

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

ZIP codes near 99371

ZIPCityDistance
99335 Kahlotus, WA 10.8 mi
99333 Hooper, WA 11.0 mi
99341 Lind, WA 16.9 mi
99105 Benge, WA 17.0 mi
99136 Hay, WA 19.7 mi
99359 Starbuck, WA 20.5 mi
99143 Lacrosse, WA 22.9 mi
99169 Ritzville, WA 23.2 mi
99326 Connell, WA 25.4 mi
99348 Prescott, WA 26.9 mi

Find every ZIP code within 10 miles of 99371 →

Questions about this ZIP code

Where is ZIP code 99371?

99371 is in Washtucna, Washington, in Adams County, part of the Othello, WA micropolitan area. Its published point location is 46.7853, -118.3322.

What county is 99371 in?

99371 spans 2 counties: Adams County and Franklin County. Most of it falls in Adams 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 99371?

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

What time zone is 99371 in?

99371 uses America/Los_Angeles.

How many people live in 99371?

About 394 people live in ZIP code 99371, in 150 households, at 1.8 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 99371?

$77,500 a year, against $98,141 across Washington.

What ZIP codes are near 99371?

The closest are 99335 (10.8 mi), 99333 (11 mi), 99341 (16.9 mi), 99105 (17 mi) and 99136 (19.7 mi).

Is 99371 a PO Box ZIP code?

99371 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99371 ZIP Code — Washtucna, Washington (Adams County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99371

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