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/98001

98001

ZIP 98001 is in Auburn, Washington, in King County; area code 253; Pacific time. Auburn has 4 ZIP codes; the others are 98002, 98071 and 98092.

Type
Standard
Time zone
America/Los_Angeles
County
King
Population
37,460
Coordinates
47.3097, -122.2644
☼ Live from 98001 — Auburn, WA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 98001 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 98001
  • 🔢 Type 98001 into a pocket calculator and turn it upside down: IOOBG — not quite a word, sorry.
  • ➕ As a number, 98,001 = 3 × 3 × 10889. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111011010001
  • 🏠 Its numerical neighbours: 97920 (Westfall, OR, 312 mi away) and 98002 (Auburn, WA, 2 mi away). Next door on paper, a road trip in real life.
  • 🔄 Backwards, 98001 becomes 10089, which is not a ZIP code at all.
  • 👥 31 other ZIP codes are made of exactly the same digits (00918, 00981, 01089, 01098, 01890, 01908, …). The farthest-flung twin is 09810 in APO AE, a military post office, 7,042 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 96%.
  • 🎯1,287 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98001 and you would come out at 47.31°S, 57.74°E — 590 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 18.6 square miles of land, 98001 is bigger than 36% of ZIP codes — room for about 14 Central Parks.
🌙 The sky over 98001 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population37,460This ZIP37,460
Households11,982This ZIP11,982
Housing units12,447This ZIP12,447
Median age39.2This ZIP39.2Washington38.3US 38.9
Median household income$106,791This ZIP$106,791Washington$98,141US $80,734
Median home value$587,400This ZIP$587,400Washington$564,600US $332,700
Median gross rent$2,105This ZIP$2,105Washington$1,760US $1,413
Bachelor's degree or higher27.0%This ZIP27.0%
Mean commute30.3 minThis ZIP30.3 min
Population density2,010.2 / sq miThis ZIP2,010.2 / sq mi

Business and tax activity

Business establishments1,328This ZIP1,328
Employees29,403This ZIP29,403
Annual payroll$2,131,324,000This ZIP$2,131,324,000
Tax returns filed17,530This ZIP17,530
Total adjusted gross income$1,579,676,000This ZIP$1,579,676,000

Land area

Land area18.64 sq miThis ZIP18.64 sq mi
Water area0.29 sq miThis ZIP0.29 sq mi

Other place names in 98001

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

ZIP codes near 98001

ZIPCityDistance
98071 Auburn, WA 1.7 mi
98002 Auburn, WA 2.3 mi
98003 Federal Way, WA 2.4 mi
98063 Federal Way, WA 2.4 mi
98047 Pacific, WA 3.6 mi
98023 Federal Way, WA 4.6 mi
98354 Milton, WA 4.7 mi
98030 Kent, WA 5.0 mi
98035 Kent, WA 5.1 mi
98064 Kent, WA 5.1 mi

Find every ZIP code within 10 miles of 98001 →

Questions about this ZIP code

Where is ZIP code 98001?

98001 is in Auburn, Washington, in King County, part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Its published point location is 47.3097, -122.2644.

What county is 98001 in?

98001 lies in King County.

What area code is 98001?

Auburn uses area code 253, from NANPA's telephone records.

What time zone is 98001 in?

98001 uses America/Los_Angeles.

How many people live in 98001?

About 37,460 people live in ZIP code 98001, in 11,982 households, at 2,010.2 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 98001?

$106,791 a year, against $98,141 across Washington.

What ZIP codes are near 98001?

The closest are 98071 (1.7 mi), 98002 (2.3 mi), 98003 (2.4 mi), 98063 (2.4 mi) and 98047 (3.6 mi).

Is 98001 a PO Box ZIP code?

98001 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98001 ZIP Code — Auburn, Washington (King County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98001

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/98001.json

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