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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/98355

98355

ZIP 98355 is Mineral, Washington, in Lewis County; area code 360; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Lewis
Metro area
Centralia, WA
Population
702
Coordinates
46.7038, -122.0399
☼ Live from 98355 — Mineral, WA

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Local time: —

Where 98355 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 98355
  • 🔢 Type 98355 into a pocket calculator and turn it upside down: SSEBG — not quite a word, sorry.
  • ➕ As a number, 98,355 = 3 × 5 × 79 × 83. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000000000110011
  • 🏠 Its numerical neighbours: 98354 (Milton, WA, 40 mi away) and 98356 (Morton, WA, 14 mi away).
  • 🔄 Backwards, 98355 becomes 55389 — and that is a real ZIP code: Watkins, MN, 1,321 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (35895, 35958, 38559, 38955, 39558, 53589, …). The farthest-flung twin is 39558 in Lakeshore, MS, 2,075 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 96%.
  • 🎯1,266 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98355 and you would come out at 46.70°S, 57.96°E — 594 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 51m of daylight. Shortest: 8h 33m.
  • 📏 At 166.2 square miles of land, 98355 is bigger than 88% of ZIP codes — room for about 126 Central Parks.
🌙 The sky over 98355 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population702This ZIP702
Households181This ZIP181
Housing units318This ZIP318
Median age31.2This ZIP31.2Washington38.3US 38.9
Median household income$102,438This ZIP$102,438Washington$98,141US $80,734
Median home value$402,900This ZIP$402,900Washington$564,600US $332,700
Bachelor's degree or higher44.1%This ZIP44.1%
Mean commute26.5 minThis ZIP26.5 min
Population density4.2 / sq miThis ZIP4.2 / sq mi

Business and tax activity

Business establishments18This ZIP18
Employees167This ZIP167
Annual payroll$6,672,000This ZIP$6,672,000
Tax returns filed230This ZIP230
Total adjusted gross income$17,869,000This ZIP$17,869,000

Land area

Land area166.16 sq miThis ZIP166.16 sq mi
Water area1.03 sq miThis ZIP1.03 sq mi

Other place names in 98355

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

ZIP codes near 98355

ZIPCityDistance
98330 Elbe, WA 6.5 mi
98336 Glenoma, WA 7.5 mi
98397 Longmire, WA 11.2 mi
98328 Eatonville, WA 12.2 mi
98356 Morton, WA 13.8 mi
98348 La Grande, WA 16.0 mi
98377 Randle, WA 17.1 mi
98533 Cinebar, WA 17.1 mi
98304 Ashford, WA 19.0 mi
98323 Carbonado, WA 19.2 mi

Find every ZIP code within 10 miles of 98355 →

Questions about this ZIP code

Where is ZIP code 98355?

98355 is in Mineral, Washington, in Lewis County, part of the Centralia, WA micropolitan area. Its published point location is 46.7038, -122.0399.

What county is 98355 in?

98355 lies in Lewis County.

What area code is 98355?

Mineral uses area code 360, from NANPA's telephone records.

What time zone is 98355 in?

98355 uses America/Los_Angeles.

How many people live in 98355?

About 702 people live in ZIP code 98355, in 181 households, at 4.2 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 98355?

$102,438 a year, against $98,141 across Washington.

What ZIP codes are near 98355?

The closest are 98330 (6.5 mi), 98336 (7.5 mi), 98397 (11.2 mi), 98328 (12.2 mi) and 98356 (13.8 mi).

Is 98355 a PO Box ZIP code?

98355 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “98355 ZIP Code — Mineral, Washington (Lewis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98355

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