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zipcodes.pro — ZIP/99133

99133

ZIP 99133 is Grand Coulee, Washington, mostly in Douglas County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Douglas +2 more
Population
1,115
Coordinates
48.0101, -119.1365
☼ Live from 99133 — Grand Coulee, WA

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Local time: —

Where 99133 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 99133
  • 🔢 Type 99133 into a pocket calculator and turn it upside down: EEIGG — not quite a word, sorry.
  • ➕ 99133 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000001100111101
  • 🏠 Its numerical neighbours: 99131 (Gifford, WA, 52 mi away) and 99134 (Harrington, WA, 55 mi away).
  • 🔄 Backwards, 99133 becomes 33199 — and that is a real ZIP code: Miami, FL, 2,601 miles away.
  • 👥 9 other ZIP codes are made of exactly the same digits (19339, 19933, 31993, 33199, 33919, 33991, …). The farthest-flung twin is 33199 in Miami, FL, 2,601 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 93%.
  • 🎯1,164 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99133 and you would come out at 48.01°S, 60.86°E — 436 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 03m of daylight. Shortest: 8h 22m.
  • 📏 At 182.5 square miles of land, 99133 is bigger than 89% of ZIP codes — room for about 139 Central Parks.
🌙 The sky over 99133 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,115This ZIP1,115
Households536This ZIP536
Housing units731This ZIP731
Median age49.4This ZIP49.4Washington38.3US 38.9
Median household income$68,854This ZIP$68,854Washington$98,141US $80,734
Median home value$229,900This ZIP$229,900Washington$564,600US $332,700
Median gross rent$591This ZIP$591Washington$1,760US $1,413
Bachelor's degree or higher24.1%This ZIP24.1%
Mean commute15.7 minThis ZIP15.7 min
Population density6.1 / sq miThis ZIP6.1 / sq mi

Business and tax activity

Business establishments45This ZIP45
Employees509This ZIP509
Annual payroll$27,639,000This ZIP$27,639,000
Tax returns filed720This ZIP720
Total adjusted gross income$46,871,000This ZIP$46,871,000

Land area

Land area182.48 sq miThis ZIP182.48 sq mi
Water area24.37 sq miThis ZIP24.37 sq mi

Counties 99133 spans

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

CountyShare of this ZIP
Douglas County 82.1%
Grant County 10.8%
Lincoln County 7.2%

Other place names in 99133

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

ZIP codes near 99133

ZIPCityDistance
99124 Elmer City, WA 8.5 mi
99116 Coulee Dam, WA 9.3 mi
99123 Electric City, WA 9.3 mi
98830 Mansfield, WA 20.5 mi
99103 Almira, WA 21.4 mi
99155 Nespelem, WA 21.7 mi
98813 Bridgeport, WA 22.2 mi
99140 Keller, WA 23.7 mi
99135 Hartline, WA 24.2 mi
99115 Coulee City, WA 25.8 mi

Find every ZIP code within 10 miles of 99133 →

Questions about this ZIP code

Where is ZIP code 99133?

99133 is in Grand Coulee, Washington, in Douglas County, part of the Wenatchee-East Wenatchee, WA metropolitan area. Its published point location is 48.0101, -119.1365.

What county is 99133 in?

99133 spans 3 counties: Douglas County, Grant County and Lincoln County. Most of it falls in Douglas 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 99133?

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

What time zone is 99133 in?

99133 uses America/Los_Angeles.

How many people live in 99133?

About 1,115 people live in ZIP code 99133, in 536 households, at 6.1 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 99133?

$68,854 a year, against $98,141 across Washington.

What ZIP codes are near 99133?

The closest are 99124 (8.5 mi), 99116 (9.3 mi), 99123 (9.3 mi), 98830 (20.5 mi) and 99103 (21.4 mi).

Is 99133 a PO Box ZIP code?

99133 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “99133 ZIP Code — Grand Coulee, Washington (Douglas County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99133

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/99133.json

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