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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/99335

99335

ZIP 99335 is Kahlotus, Washington, in Franklin County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Franklin
Population
229
Coordinates
46.6472, -118.4397
☼ Live from 99335 — Kahlotus, WA

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Where 99335 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 99335
  • 🔢 Type 99335 into a pocket calculator and turn it upside down: SEEGG — not quite a word, sorry.
  • ➕ As a number, 99,335 = 5 × 19867. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010000000111
  • 🏠 Its numerical neighbours: 99333 (Hooper, WA, 15 mi away) and 99336 (Kennewick, WA, 46 mi away).
  • 🔄 Backwards, 99335 becomes 53399, which is not a ZIP code at all.
  • 👥 7 other ZIP codes are made of exactly the same digits (39359, 53939, 59339, 59933, 93539, 93953, …). The farthest-flung twin is 39359 in Sebastopol, MS, 1,813 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 92%.
  • 🎯1,101 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99335 and you would come out at 46.65°S, 61.56°E — 441 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 152.6 square miles of land, 99335 is bigger than 87% of ZIP codes — room for about 116 Central Parks.
🌙 The sky over 99335 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population229This ZIP229
Households88This ZIP88
Housing units101This ZIP101
Median age42.9This ZIP42.9Washington38.3US 38.9
Median household income$91,667This ZIP$91,667Washington$98,141US $80,734
Median home value$250,000This ZIP$250,000Washington$564,600US $332,700
Bachelor's degree or higher12.4%This ZIP12.4%
Mean commute27.3 minThis ZIP27.3 min
Population density1.5 / sq miThis ZIP1.5 / sq mi

Land area

Land area152.56 sq miThis ZIP152.56 sq mi
Water area3.48 sq miThis ZIP3.48 sq mi

Other place names in 99335

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

ZIP codes near 99335

ZIPCityDistance
99371 Washtucna, WA 10.8 mi
99333 Hooper, WA 14.6 mi
99359 Starbuck, WA 16.1 mi
99348 Prescott, WA 16.9 mi
99326 Connell, WA 19.1 mi
99341 Lind, WA 20.3 mi
99136 Hay, WA 23.4 mi
99105 Benge, WA 27.5 mi
99143 Lacrosse, WA 29.2 mi
99330 Eltopia, WA 30.0 mi

Find every ZIP code within 10 miles of 99335 →

Questions about this ZIP code

Where is ZIP code 99335?

99335 is in Kahlotus, Washington, in Franklin County, part of the Kennewick-Richland, WA metropolitan area. Its published point location is 46.6472, -118.4397.

What county is 99335 in?

99335 lies in Franklin County.

What area code is 99335?

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

What time zone is 99335 in?

99335 uses America/Los_Angeles.

How many people live in 99335?

About 229 people live in ZIP code 99335, in 88 households, at 1.5 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 99335?

$91,667 a year, against $98,141 across Washington.

What ZIP codes are near 99335?

The closest are 99371 (10.8 mi), 99333 (14.6 mi), 99359 (16.1 mi), 99348 (16.9 mi) and 99326 (19.1 mi).

Is 99335 a PO Box ZIP code?

99335 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “99335 ZIP Code — Kahlotus, Washington (Franklin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99335

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