Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/98023

98023

ZIP 98023 is in Federal Way, Washington, in King County; area codes 253 and 206; Pacific time. Federal Way has 4 ZIP codes; the others are 98003, 98063 and 98093.

Type
Standard
Time zone
America/Los_Angeles
County
King
Population
50,448
Coordinates
47.3115, -122.3628
☼ Live from 98023 — Federal Way, WA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 98023 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 98023
  • 🔢 Type 98023 into a pocket calculator and turn it upside down: EZOBG — not quite a word, sorry.
  • ➕ As a number, 98,023 = 83 × 1181. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111011100111
  • 🏠 Its numerical neighbours: 98022 (Enumclaw, WA, 33 mi away) and 98024 (Fall City, WA, 28 mi away).
  • 🔄 Backwards, 98023 becomes 32089, which is not a ZIP code at all.
  • 👥 47 other ZIP codes are made of exactly the same digits (02839, 02893, 03289, 03298, 08329, 09823, …). The farthest-flung twin is 09832 in APO AE, a military post office, 6,827 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 96%.
  • 🎯1,291 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98023 and you would come out at 47.31°S, 57.64°E — 594 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 57m of daylight. Shortest: 8h 28m.
  • 📏 At 10.3 square miles of land, 98023 is bigger than 27% of ZIP codes — room for about 7.8 Central Parks.
🌙 The sky over 98023 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population50,448This ZIP50,448
Households17,752This ZIP17,752
Housing units18,564This ZIP18,564
Median age38.6This ZIP38.6Washington38.3US 38.9
Median household income$104,893This ZIP$104,893Washington$98,141US $80,734
Median home value$589,900This ZIP$589,900Washington$564,600US $332,700
Median gross rent$1,900This ZIP$1,900Washington$1,760US $1,413
Bachelor's degree or higher33.9%This ZIP33.9%
Mean commute32.6 minThis ZIP32.6 min
Population density4,919.8 / sq miThis ZIP4,919.8 / sq mi

Business and tax activity

Business establishments705This ZIP705
Employees3,990This ZIP3,990
Annual payroll$169,388,000This ZIP$169,388,000
Tax returns filed24,210This ZIP24,210
Total adjusted gross income$2,039,103,000This ZIP$2,039,103,000

Land area

Land area10.25 sq miThis ZIP10.25 sq mi
Water area1.18 sq miThis ZIP1.18 sq mi

Other place names in 98023

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

ZIP codes near 98023

ZIPCityDistance
98422 Tacoma, WA 2.0 mi
98003 Federal Way, WA 2.3 mi
98063 Federal Way, WA 2.5 mi
98421 Tacoma, WA 3.9 mi
98001 Auburn, WA 4.6 mi
98354 Milton, WA 4.6 mi
98424 Tacoma, WA 5.3 mi
98403 Tacoma, WA 5.5 mi
98402 Tacoma, WA 5.5 mi
98401 Tacoma, WA 5.5 mi

Find every ZIP code within 10 miles of 98023 →

Questions about this ZIP code

Where is ZIP code 98023?

98023 is in Federal Way, Washington, in King County, part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Its published point location is 47.3115, -122.3628.

What county is 98023 in?

98023 lies in King County.

What area code is 98023?

Federal Way uses area codes 253 and 206, from NANPA's telephone records.

What time zone is 98023 in?

98023 uses America/Los_Angeles.

How many people live in 98023?

About 50,448 people live in ZIP code 98023, in 17,752 households, at 4,919.8 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 98023?

$104,893 a year, against $98,141 across Washington.

What ZIP codes are near 98023?

The closest are 98422 (2 mi), 98003 (2.3 mi), 98063 (2.5 mi), 98421 (3.9 mi) and 98001 (4.6 mi).

Is 98023 a PO Box ZIP code?

98023 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98023 ZIP Code — Federal Way, Washington (King County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98023

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/98023.json

Underlying data is public domain or openly licensed — sources, vintages and licences.