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/MT/SOUTH-HILLS

South Hills ZIP codes, Montana

No ZIP code is named for South Hills, MT; addresses there use a neighbouring town's name. The ZIP code covering it is 59634. Its area code is 406.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
620
Area code
406
State
Montana

NANPA lists no telephone rate centre for South Hills itself, so these are the area codes of the nearest one, Helena (9.9 miles). A town on an area-code boundary can differ from its neighbour.

South Hills in numbers

About 620 people live in South Hills, in 224 households. The median household income is $168,235 a year, 2.3 times the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $703,800 (87% above the Montana median). The median age is 48.9; 51.9% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 14 minutes.

Population620South Hills620
Households224South Hills224
Median age48.9South Hills48.9Montana40.4US 38.9
Median household income$168,235South Hills$168,235Montana$72,509US $80,734
Median home value$703,800South Hills$703,800Montana$375,800US $332,700
Bachelor's degree or higher51.9%South Hills51.9%Montana35.2%US 35.7%
Mean commute14.2 minSouth Hills14.2 minMontana19.1 minUS 26.4 min
Population density106 / sq miSouth Hills106 / sq mi

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

ZIP codes covering South Hills

These ZIP codes cover part of South Hills but are addressed as somewhere else.

ZIP codes overlapping South Hills
ZIP City Type Population Median income Median home
59634 Clancy , MT Standard 5,521 $129,891 $553,900

Map of South Hills ZIP codes

59634

The ZIP codes of South Hills, MT, 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 South Hills

The nearest larger towns are Helena (33,639 people, 3.0 mi), Montana City (3,092 people, 3.8 mi) and East Helena (1,702 people, 4.1 mi).

Towns near South Hills
TownPopulationDistance
Helena 33,639 3.0 mi
Montana City 3,092 3.8 mi
Helena Valley Southeast 9,108 6.5 mi
Helena Valley West Central 8,056 7.7 mi
Helena Valley Northeast 4,659 10.7 mi
Helena Valley Northwest 5,183 12.3 mi

More nearby: every ZIP code in Jefferson County · Montana ZIP codes

Cite this page

zipcodes.pro. “South Hills, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/south-hills

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