What city is ZIP code 99333?

ZIP code 99333 is in Washtucna, WA (Whitman County).

What county is ZIP code 99333 in?

ZIP code 99333 is mostly in Whitman County, Washington.

How many people live in ZIP code 99333?

About 151 people live in the 99333 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 99333

Washtucna, WA, Whitman County

Population

151

Land area

86.4sq mi

People per sq mi

City

Washtucna

ZIP 99333 and nearby ZIP codes

Full map

ZIP 99333 at a glance

ZIP 99333 (Washtucna) is 99% less dense than Washington as a whole.

Local data for ZIP 99333

Counts from official public data

Post Offices1

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$15.4K

2 loans

PPP loans in this ZIP

Environment and hazard risk

ZIP 99333, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: landslide

Storm events since 1996

339

Countywide, mostly heavy snow

Flood insurance policies

0.3% of homes, county

July high / Jan low

90° / 26°F

15.1 inches of rain a year

Hazards, floods and storm history Check a flood zone

Frequently asked questions

What city is ZIP code 99333?: ZIP code 99333 is in Washtucna, WA (Whitman County).
What county is ZIP code 99333 in?: ZIP code 99333 is mostly in Whitman County, Washington.
How many people live in ZIP code 99333?: About 151 people live in the 99333 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.