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/98256

98256

ZIP 98256 is Index, Washington, in Snohomish County; area code 360; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Snohomish
Population
368
Coordinates
47.8215, -121.4065
☼ Live from 98256 — Index, WA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 98256 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 98256
  • 🔢 Type 98256 into a pocket calculator and turn it upside down: gSZBG — not quite a word, sorry.
  • ➕ As a number, 98,256 = 2 × 2 × 2 × 2 × 3 × 23 × 89. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111111111010000
  • 🏠 Its numerical neighbours: 98255 (Hamilton, WA, 55 mi away) and 98257 (La Conner, WA, 65 mi away).
  • 🔄 Backwards, 98256 becomes 65289, which is not a ZIP code at all.
  • 👥 33 other ZIP codes are made of exactly the same digits (25986, 28659, 29568, 29658, 29685, 29856, …). The farthest-flung twin is 96258 in APO AA, a military post office, 5,183 miles away.
  • 🧭 Farther north than 97% of all ZIP codes, and farther west than 95%.
  • 🎯1,258 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 98256 and you would come out at 47.82°S, 58.59°E — 541 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 01m of daylight. Shortest: 8h 24m.
  • 📏 At 75.6 square miles of land, 98256 is bigger than 71% of ZIP codes — room for about 57 Central Parks.
🌙 The sky over 98256 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population368This ZIP368
Households156This ZIP156
Housing units310This ZIP310
Median age45.2This ZIP45.2Washington38.3US 38.9
Median household income$94,375This ZIP$94,375Washington$98,141US $80,734
Median home value$430,000This ZIP$430,000Washington$564,600US $332,700
Bachelor's degree or higher12.5%This ZIP12.5%
Mean commute56.4 minThis ZIP56.4 min
Population density4.9 / sq miThis ZIP4.9 / sq mi

Business and tax activity

Business establishments7This ZIP7
Employees14This ZIP14
Annual payroll$634,000This ZIP$634,000

Land area

Land area75.56 sq miThis ZIP75.56 sq mi
Water area0.33 sq miThis ZIP0.33 sq mi

Other place names in 98256

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

ZIP codes near 98256

ZIPCityDistance
98224 Baring, WA 9.7 mi
98251 Gold Bar, WA 11.2 mi
98288 Skykomish, WA 14.3 mi
98294 Sultan, WA 16.7 mi
98293 Startup, WA 17.1 mi
98252 Granite Falls, WA 21.9 mi
98014 Carnation, WA 22.1 mi
98272 Monroe, WA 22.3 mi
98065 Snoqualmie, WA 23.3 mi
98019 Duvall, WA 25.2 mi

Find every ZIP code within 10 miles of 98256 →

Questions about this ZIP code

Where is ZIP code 98256?

98256 is in Index, Washington, in Snohomish County, part of the Seattle-Tacoma-Bellevue, WA metropolitan area. Its published point location is 47.8215, -121.4065.

What county is 98256 in?

98256 lies in Snohomish County.

What area code is 98256?

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

What time zone is 98256 in?

98256 uses America/Los_Angeles.

How many people live in 98256?

About 368 people live in ZIP code 98256, in 156 households, at 4.9 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 98256?

$94,375 a year, against $98,141 across Washington.

What ZIP codes are near 98256?

The closest are 98224 (9.7 mi), 98251 (11.2 mi), 98288 (14.3 mi), 98294 (16.7 mi) and 98293 (17.1 mi).

Is 98256 a PO Box ZIP code?

98256 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “98256 ZIP Code — Index, Washington (Snohomish County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/98256

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/98256.json

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