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/99348

99348

ZIP 99348 is Prescott, Washington, mostly in Walla Walla County; area code 509; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Walla Walla +1 more
Metro area
Walla Walla, WA
Population
1,633
Coordinates
46.4029, -118.4354
☼ Live from 99348 — Prescott, WA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 99348 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 99348
  • 🔢 Type 99348 into a pocket calculator and turn it upside down: BhEGG — not quite a word, sorry.
  • ➕ As a number, 99,348 = 2 × 2 × 3 × 17 × 487. Its digits add up to 33, a total 456 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000010000010100
  • 🏠 Its numerical neighbours: 99347 (Pomeroy, WA, 41 mi away) and 99349 (Mattawa, WA, 64 mi away).
  • 🔄 Backwards, 99348 becomes 84399, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (38949, 49839, 49893, 49938, 89439, 94938, …). The farthest-flung twin is 38949 in Paris, MS, 1,732 miles away.
  • 🧭 Farther north than 94% of all ZIP codes, and farther west than 92%.
  • 🎯1,096 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 99348 and you would come out at 46.40°S, 61.56°E — 449 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 49m of daylight. Shortest: 8h 35m.
  • 📏 At 534.3 square miles of land, 99348 is bigger than 98% of ZIP codes — room for about 406 Central Parks.
🌙 The sky over 99348 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,633This ZIP1,633
Households566This ZIP566
Housing units686This ZIP686
Median age35.1This ZIP35.1Washington38.3US 38.9
Median household income$79,167This ZIP$79,167Washington$98,141US $80,734
Median home value$237,200This ZIP$237,200Washington$564,600US $332,700
Median gross rent$924This ZIP$924Washington$1,760US $1,413
Bachelor's degree or higher10.1%This ZIP10.1%
Mean commute22.2 minThis ZIP22.2 min
Population density3.1 / sq miThis ZIP3.1 / sq mi

Business and tax activity

Business establishments11This ZIP11
Employees90This ZIP90
Annual payroll$4,752,000This ZIP$4,752,000
Tax returns filed890This ZIP890
Total adjusted gross income$35,883,000This ZIP$35,883,000

Land area

Land area534.31 sq miThis ZIP534.31 sq mi
Water area7.62 sq miThis ZIP7.62 sq mi

Counties 99348 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Walla Walla County 95.9%
Columbia County 4.1%

Other place names in 99348

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

ZIP codes near 99348

ZIPCityDistance
99359 Starbuck, WA 15.1 mi
99335 Kahlotus, WA 16.9 mi
99361 Waitsburg, WA 18.1 mi
99362 Walla Walla, WA 21.7 mi
99329 Dixie, WA 22.8 mi
99360 Touchet, WA 24.3 mi
99301 Pasco, WA 24.7 mi
99333 Hooper, WA 24.7 mi
99324 College Place, WA 24.9 mi
99323 Burbank, WA 25.5 mi

Find every ZIP code within 10 miles of 99348 →

Questions about this ZIP code

Where is ZIP code 99348?

99348 is in Prescott, Washington, in Walla Walla County, part of the Walla Walla, WA metropolitan area. Its published point location is 46.4029, -118.4354.

What county is 99348 in?

99348 spans 2 counties: Walla Walla County and Columbia County. Most of it falls in Walla Walla County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 99348?

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

What time zone is 99348 in?

99348 uses America/Los_Angeles.

How many people live in 99348?

About 1,633 people live in ZIP code 99348, in 566 households, at 3.1 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 99348?

$79,167 a year, against $98,141 across Washington.

What ZIP codes are near 99348?

The closest are 99359 (15.1 mi), 99335 (16.9 mi), 99361 (18.1 mi), 99362 (21.7 mi) and 99329 (22.8 mi).

Is 99348 a PO Box ZIP code?

99348 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “99348 ZIP Code — Prescott, Washington (Walla Walla County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/99348

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/99348.json

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