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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/AZURE

Azure ZIP codes, Montana

No ZIP code is named for Azure, MT; addresses there use a neighbouring town's name. The ZIP code covering it is 59521. Its area code is 406.

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

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

Azure in numbers

About 406 people live in Azure, in 78 households. The median household income is $31,200 a year, 57% below the Montana median of $72,509 (US: $80,734). Median gross rent is $372 a month. The median age is 19.7; 0.0% of adults 25 and over hold a bachelor's degree or higher (35.2% across Montana).

Population406Azure406
Households78Azure78
Median age19.7Azure19.7Montana40.4US 38.9
Median household income$31,200Azure$31,200Montana$72,509US $80,734
Median gross rent$372Azure$372Montana$1,081US $1,413
Bachelor's degree or higher0.0%Azure0.0%Montana35.2%US 35.7%
Population density90 / sq miAzure90 / sq mi

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

ZIP codes covering Azure

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

ZIP codes overlapping Azure
ZIP City Type Population Median income Median home
59521 Box Elder , MT Standard 3,529 $50,288 $103,700

Map of Azure ZIP codes

59521

The ZIP codes of Azure, 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 Azure

The nearest larger towns are Rocky Boy West (1,007 people, 8.5 mi), Big Sandy (784 people, 17 mi) and Havre (9,258 people, 17 mi).

Towns near Azure
TownPopulationDistance
Havre 9,258 17.4 mi

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

Cite this page

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

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