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Where 99118 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 99118 into a pocket calculator and turn it upside down: BIIGG — not quite a word, sorry.
- ➕ As a number, 99,118 = 2 × 49559. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11000001100101110 - 🏠 Its numerical neighbours: 99117 (Creston, WA, 86 mi away) and 99119 (Cusick, WA, 66 mi away).
- 🔄 Backwards, 99118 becomes 81199, which is not a ZIP code at all.
- 👥 9 other ZIP codes are made of exactly the same digits (18991, 19891, 89119, 89191, 91189, 98119, …). The farthest-flung twin is 19891 in Wilmington, DE, 2,194 miles away.
- 🧭 Farther north than 98% of all ZIP codes, and farther west than 92%.
- 🎯1,167 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 99118 and you would come out at 48.90°S, 61.36°E — 401 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 16h 11m of daylight. Shortest: 8h 14m.
- 📏 At 204.2 square miles of land, 99118 is bigger than 91% of ZIP codes — room for about 155 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 899This ZIP899 |
|---|---|
| Households | 381This ZIP381 |
| Housing units | 507This ZIP507 |
| Median age | 46.5This ZIP46.5Washington38.3US 38.9 |
| Median household income | $68,875This ZIP$68,875Washington$98,141US $80,734 |
| Median home value | $323,800This ZIP$323,800Washington$564,600US $332,700 |
| Median gross rent | $863This ZIP$863Washington$1,760US $1,413 |
| Bachelor's degree or higher | 14.4%This ZIP14.4% |
| Mean commute | 27.1 minThis ZIP27.1 min |
| Population density | 4.4 / sq miThis ZIP4.4 / sq mi |
Business and tax activity
| Business establishments | 14This ZIP14 |
|---|---|
| Employees | 41This ZIP41 |
| Annual payroll | $1,420,000This ZIP$1,420,000 |
| Tax returns filed | 290This ZIP290 |
| Total adjusted gross income | $17,553,000This ZIP$17,553,000 |
Land area
| Land area | 204.18 sq miThis ZIP204.18 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 99118
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 99118
| ZIP | City | Distance |
|---|---|---|
99150 | Malo, WA | 6.4 mi |
99121 | Danville, WA | 8.1 mi |
99160 | Orient, WA | 15.4 mi |
98859 | Wauconda, WA | 16.0 mi |
99146 | Laurier, WA | 16.0 mi |
99166 | Republic, WA | 20.0 mi |
99107 | Boyds, WA | 21.0 mi |
99141 | Kettle Falls, WA | 24.7 mi |
98844 | Oroville, WA | 26.9 mi |
99151 | Marcus, WA | 30.8 mi |
Find every ZIP code within 10 miles of 99118 →
Questions about this ZIP code
Where is ZIP code 99118?
99118 is in Curlew, Washington, in Ferry County. Its published point location is 48.8974, -118.6378.
What county is 99118 in?
99118 lies in Ferry County.
What area code is 99118?
Curlew uses area code 509, from NANPA's telephone records.
What time zone is 99118 in?
99118 uses America/Los_Angeles.
How many people live in 99118?
About 899 people live in ZIP code 99118, in 381 households, at 4.4 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 99118?
$68,875 a year, against $98,141 across Washington.
What ZIP codes are near 99118?
The closest are 99150 (6.4 mi), 99121 (8.1 mi), 99160 (15.4 mi), 98859 (16 mi) and 99146 (16 mi).
Is 99118 a PO Box ZIP code?
99118 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “99118 ZIP Code — Curlew, Washington (Ferry County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99118
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/99118.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.