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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/99017

99017

ZIP 99017 is Lamont, Washington, in Whitman County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Whitman
Metro area
Pullman, WA
Population
230
Coordinates
47.1841, -117.8867
☼ Live from 99017 — Lamont, WA

Weather right now

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Local time: —

Where 99017 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 99017
  • 🔢 Type 99017 into a pocket calculator and turn it upside down: LIOGG — not quite a word, sorry.
  • ➕ 99017 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000001011001001
  • 🏠 Its numerical neighbours: 99016 (Greenacres, WA, 46 mi away) and 99018 (Latah, WA, 35 mi away).
  • 🔄 Backwards, 99017 becomes 71099, which is not a ZIP code at all.
  • 👥 24 other ZIP codes are made of exactly the same digits (07199, 09719, 10979, 10997, 17099, 19079, …). The farthest-flung twin is 09719 in APO AE, a military post office, 5,331 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 91%.
  • 🎯1,089 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99017 and you would come out at 47.18°S, 62.11°E — 401 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 91.7 square miles of land, 99017 is bigger than 76% of ZIP codes — room for about 70 Central Parks.
🌙 The sky over 99017 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population230This ZIP230
Households93This ZIP93
Housing units98This ZIP98
Median age40.8This ZIP40.8Washington38.3US 38.9
Median household income$58,958This ZIP$58,958Washington$98,141US $80,734
Median home value$121,400This ZIP$121,400Washington$564,600US $332,700
Bachelor's degree or higher15.1%This ZIP15.1%
Mean commute32.0 minThis ZIP32.0 min
Population density2.5 / sq miThis ZIP2.5 / sq mi

Land area

Land area91.66 sq miThis ZIP91.66 sq mi
Water area0.48 sq miThis ZIP0.48 sq mi

Other place names in 99017

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

ZIP codes near 99017

ZIPCityDistance
99032 Sprague, WA 12.1 mi
99171 Saint John, WA 12.4 mi
99125 Endicott, WA 16.7 mi
99105 Benge, WA 18.0 mi
99149 Malden, WA 19.9 mi
99004 Cheney, WA 21.1 mi
99008 Edwall, WA 22.2 mi
99176 Thornton, WA 23.2 mi
99170 Rosalia, WA 23.5 mi
99169 Ritzville, WA 23.5 mi

Find every ZIP code within 10 miles of 99017 →

Questions about this ZIP code

Where is ZIP code 99017?

99017 is in Lamont, Washington, in Whitman County, part of the Pullman, WA micropolitan area. Its published point location is 47.1841, -117.8867.

What county is 99017 in?

99017 lies in Whitman County.

What area code is 99017?

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

What time zone is 99017 in?

99017 uses America/Los_Angeles.

How many people live in 99017?

About 230 people live in ZIP code 99017, in 93 households, at 2.5 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 99017?

$58,958 a year, against $98,141 across Washington.

What ZIP codes are near 99017?

The closest are 99032 (12.1 mi), 99171 (12.4 mi), 99125 (16.7 mi), 99105 (18 mi) and 99149 (19.9 mi).

Is 99017 a PO Box ZIP code?

99017 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99017 ZIP Code — Lamont, Washington (Whitman County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99017

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