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zipcodes.pro — ZIP/99171

99171

ZIP 99171 is Saint John, Washington, in Whitman County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Whitman
Metro area
Pullman, WA
Population
895
Coordinates
47.0982, -117.6539
☼ Live from 99171 — Saint John, WA

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Local time: —

Where 99171 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 99171
  • 🔢 Type 99171 into a pocket calculator and turn it upside down: ILIGG — not quite a word, sorry.
  • ➕ As a number, 99,171 = 3 × 3 × 3 × 3673. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000001101100011
  • 🏠 Its numerical neighbours: 99170 (Rosalia, WA, 16 mi away) and 99173 (Springdale, WA, 66 mi away).
  • 🔄 Backwards, 99171 becomes 17199, which is not a ZIP code at all.
  • 👥 11 other ZIP codes are made of exactly the same digits (19179, 19197, 19971, 79119, 79911, 91791, …). The farthest-flung twin is 19971 in Rehoboth Beach, DE, 2,201 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 90%.
  • 🎯1,076 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99171 and you would come out at 47.10°S, 62.35°E — 394 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 55m of daylight. Shortest: 8h 29m.
  • 📏 At 250.3 square miles of land, 99171 is bigger than 93% of ZIP codes — room for about 190 Central Parks.
🌙 The sky over 99171 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population895This ZIP895
Households408This ZIP408
Housing units452This ZIP452
Median age55.7This ZIP55.7Washington38.3US 38.9
Median household income$53,333This ZIP$53,333Washington$98,141US $80,734
Median home value$220,500This ZIP$220,500Washington$564,600US $332,700
Median gross rent$929This ZIP$929Washington$1,760US $1,413
Bachelor's degree or higher25.4%This ZIP25.4%
Mean commute21.6 minThis ZIP21.6 min
Population density3.6 / sq miThis ZIP3.6 / sq mi

Business and tax activity

Business establishments28This ZIP28
Employees114This ZIP114
Annual payroll$7,414,000This ZIP$7,414,000
Tax returns filed500This ZIP500
Total adjusted gross income$33,985,000This ZIP$33,985,000

Land area

Land area250.28 sq miThis ZIP250.28 sq mi
Water area3.71 sq miThis ZIP3.71 sq mi

Other place names in 99171

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

ZIP codes near 99171

ZIPCityDistance
99125 Endicott, WA 10.4 mi
99176 Thornton, WA 11.4 mi
99149 Malden, WA 12.4 mi
99017 Lamont, WA 12.4 mi
99174 Steptoe, WA 15.3 mi
99170 Rosalia, WA 16.1 mi
99111 Colfax, WA 19.3 mi
99158 Oakesdale, WA 19.6 mi
99105 Benge, WA 22.0 mi
99004 Cheney, WA 22.3 mi

Find every ZIP code within 10 miles of 99171 →

Questions about this ZIP code

Where is ZIP code 99171?

99171 is in Saint John, Washington, in Whitman County, part of the Pullman, WA micropolitan area. Its published point location is 47.0982, -117.6539.

What county is 99171 in?

99171 lies in Whitman County.

What area code is 99171?

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

What time zone is 99171 in?

99171 uses America/Los_Angeles.

How many people live in 99171?

About 895 people live in ZIP code 99171, in 408 households, at 3.6 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 99171?

$53,333 a year, against $98,141 across Washington.

What ZIP codes are near 99171?

The closest are 99125 (10.4 mi), 99176 (11.4 mi), 99149 (12.4 mi), 99017 (12.4 mi) and 99174 (15.3 mi).

Is 99171 a PO Box ZIP code?

99171 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99171 ZIP Code — Saint John, Washington (Whitman County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99171

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