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/GLASGOW

Glasgow ZIP code, Montana

The ZIP code for Glasgow, MT is 59230, and its area code is 406.

USPS city name
1 ZIP code
Population
3,190
Area code
406
State
Montana

Glasgow in numbers

About 3,190 people live in Glasgow, in 1,387 households, the 35th-largest of Montana's 475 census places. The median household income is $90,310 a year, 25% above the Montana median of $72,509 (US: $80,734). The median owner-occupied home is valued at $195,700 (48% below the Montana median), and median gross rent is $805 a month. The median age is 44.6; 25.7% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana); the average commute takes 9 minutes.

Population3,190Glasgow3,190
Households1,387Glasgow1,387
Median age44.6Glasgow44.6Montana40.4US 38.9
Median household income$90,310Glasgow$90,310Montana$72,509US $80,734
Median home value$195,700Glasgow$195,700Montana$375,800US $332,700
Median gross rent$805Glasgow$805Montana$1,081US $1,413
Bachelor's degree or higher25.7%Glasgow25.7%Montana35.2%US 35.7%
Mean commute8.5 minGlasgow8.5 minMontana19.1 minUS 26.4 min
Population density2,274 / sq miGlasgow2,274 / sq mi

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

ZIP codes addressed as Glasgow

ZIP codes with the USPS city name Glasgow
ZIP City Type Population Median income Median home
59230 Glasgow , MT Standard 4,606 $85,000 $241,000

Map of Glasgow ZIP codes

59230

The ZIP codes of Glasgow, 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.

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

Cite this page

zipcodes.pro. “Glasgow, MT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mt/glasgow

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