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 — CITY/NV/GRASS-VALLEY

Grass Valley ZIP codes, Nevada

No ZIP code is named for Grass Valley, NV; addresses there use a neighbouring town's name. The ZIP code covering it is 89445. Its area code is 775.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
1,134
Area code
775
State
Nevada

NANPA lists no telephone rate centre for Grass Valley itself, so these are the area codes of the nearest one, Winnemucca (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Grass Valley in numbers

About 1,134 people live in Grass Valley, in 353 households. The median household income is $80,368 a year, about the same as the Nevada median of $78,260 (US: $80,734). The median age is 33.1; 2.5% of adults 25 and over hold a bachelor's degree or higher (27.9% across Nevada); the average commute takes 27 minutes.

Population1,134Grass Valley1,134
Households353Grass Valley353
Median age33.1Grass Valley33.1Nevada39.1US 38.9
Median household income$80,368Grass Valley$80,368Nevada$78,260US $80,734
Bachelor's degree or higher2.5%Grass Valley2.5%Nevada27.9%US 35.7%
Mean commute26.9 minGrass Valley26.9 minNevada24.8 minUS 26.4 min
Population density33 / sq miGrass Valley33 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Grass Valley CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Grass Valley

These ZIP codes cover part of Grass Valley but are addressed as somewhere else.

ZIP codes overlapping Grass Valley
ZIP City Type Population Median income Median home
89445 Winnemucca , NV Standard 17,153 $81,545 $280,500

Map of Grass Valley ZIP codes

89445

The ZIP codes of Grass Valley, NV, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Grass Valley

The nearest larger towns are Winnemucca (8,361 people, 12 mi), Battle Mountain (3,518 people, 44 mi) and Lovelock (1,481 people, 57 mi).

Towns near Grass Valley
TownPopulationDistance
Winnemucca 8,361 11.7 mi

More nearby: every ZIP code in Humboldt County · Nevada ZIP codes

Cite this page

zipcodes.pro. “Grass Valley, NV ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nv/grass-valley

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