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/CA/HAMILTON-BRANCH

Hamilton Branch ZIP codes, California

No ZIP code is named for Hamilton Branch, CA; addresses there use a neighbouring town's name. The ZIP code covering it is 96137. Its area code is 530.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
480
Area code
530

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

Hamilton Branch in numbers

About 480 people live in Hamilton Branch, in 200 households. The median household income is $109,118 a year, 10% above the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $367,600 (50% below the California median). The median age is 58.5; 26.4% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 32 minutes.

Population480Hamilton Branch480
Households200Hamilton Branch200
Median age58.5Hamilton Branch58.5California37.9US 38.9
Median household income$109,118Hamilton Branch$109,118California$99,122US $80,734
Median home value$367,600Hamilton Branch$367,600California$734,700US $332,700
Bachelor's degree or higher26.4%Hamilton Branch26.4%California37.1%US 35.7%
Mean commute32.0 minHamilton Branch32.0 minCalifornia28.7 minUS 26.4 min
Population density442 / sq miHamilton Branch442 / sq mi

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

ZIP codes covering Hamilton Branch

These ZIP codes cover part of Hamilton Branch but are addressed as somewhere else.

ZIP codes overlapping Hamilton Branch
ZIP City Type Population Median income Median home
96137 Westwood , CA Standard 2,923 $65,896 $414,900

Map of Hamilton Branch ZIP codes

96137

The ZIP codes of Hamilton Branch, CA, 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 Hamilton Branch

The nearest larger towns are Westwood (1,063 people, 5.2 mi), Chester (1,759 people, 7.4 mi) and Quincy (1,317 people, 25 mi).

Towns near Hamilton Branch
TownPopulationDistance
East Quincy 2,723 26.6 mi
Susanville 14,177 26.9 mi

More nearby: every ZIP code in Lassen County · California ZIP codes

Cite this page

zipcodes.pro. “Hamilton Branch, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/hamilton-branch

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