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Where 99356 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.
- 🔢 Type 99356 into a pocket calculator and turn it upside down: gSEGG — not quite a word, sorry.
- ➕ As a number, 99,356 = 2 × 2 × 59 × 421. Its digits add up to 32, a total 644 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000010000011100 - 🏠 Its numerical neighbours: 99354 (Richland, WA, 61 mi away) and 99357 (Royal City, WA, 81 mi away).
- 🔄 Backwards, 99356 becomes 65399, which is not a ZIP code at all.
- 👥 16 other ZIP codes are made of exactly the same digits (35699, 39569, 53969, 56399, 59639, 59936, …). The farthest-flung twin is 96539 in FPO AA, a military post office, 5,785 miles away.
- 🧭 Farther north than 93% of all ZIP codes, and farther west than 94%.
- 🎯1,174 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99356 and you would come out at 45.83°S, 59.64°E — 549 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 44m of daylight. Shortest: 8h 40m.
- 📏 At 261.5 square miles of land, 99356 is bigger than 94% of ZIP codes — room for about 199 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 378This ZIP378 |
|---|---|
| Households | 78This ZIP78 |
| Housing units | 131This ZIP131 |
| Median age | 32.8This ZIP32.8Washington38.3US 38.9 |
| Median household income | $55,750This ZIP$55,750Washington$98,141US $80,734 |
| Median gross rent | $1,158This ZIP$1,158Washington$1,760US $1,413 |
| Bachelor's degree or higher | 14.4%This ZIP14.4% |
| Mean commute | 21.1 minThis ZIP21.1 min |
| Population density | 1.4 / sq miThis ZIP1.4 / sq mi |
Business and tax activity
| Business establishments | 9This ZIP9 |
|---|---|
| Employees | 182This ZIP182 |
| Annual payroll | $13,080,000This ZIP$13,080,000 |
| Tax returns filed | 130This ZIP130 |
| Total adjusted gross income | $7,651,000This ZIP$7,651,000 |
Land area
| Land area | 261.49 sq miThis ZIP261.49 sq mi |
|---|---|
| Water area | 13.33 sq miThis ZIP13.33 sq mi |
Other place names in 99356
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99356
| ZIP | City | Distance |
|---|---|---|
99322 | Bickleton, WA | 12.8 mi |
97812 | Arlington, OR | 18.3 mi |
98620 | Goldendale, WA | 20.4 mi |
97065 | Wasco, OR | 20.6 mi |
97050 | Rufus, OR | 23.0 mi |
98935 | Mabton, WA | 25.0 mi |
97039 | Moro, OR | 27.7 mi |
97861 | Mikkalo, OR | 28.0 mi |
98948 | Toppenish, WA | 28.2 mi |
97818 | Boardman, OR | 28.5 mi |
Find every ZIP code within 10 miles of 99356 →
Questions about this ZIP code
Where is ZIP code 99356?
99356 is in Roosevelt, Washington, in Klickitat County. Its published point location is 45.8291, -120.3600.
What county is 99356 in?
99356 lies in Klickitat County.
What area code is 99356?
Roosevelt uses area code 509, from NANPA's telephone records.
What time zone is 99356 in?
99356 uses America/Los_Angeles.
How many people live in 99356?
About 378 people live in ZIP code 99356, in 78 households, at 1.4 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 99356?
$55,750 a year, against $98,141 across Washington.
What ZIP codes are near 99356?
The closest are 99322 (12.8 mi), 97812 (18.3 mi), 98620 (20.4 mi), 97065 (20.6 mi) and 97050 (23 mi).
Is 99356 a PO Box ZIP code?
99356 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99356 ZIP Code — Roosevelt, Washington (Klickitat County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99356
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99356.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.