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/CO/FOUR-SQUARE-MILE

Four Square Mile ZIP codes, Colorado

No ZIP code is named for Four Square Mile, CO; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 80231, 80247 and 80224. Its area codes are 303, 720 and 983.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
23,024
Area codes
303, 720, 983

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

Four Square Mile in numbers

About 23,024 people live in Four Square Mile, in 10,138 households, the 35th-largest of Colorado's 471 census places. The median household income is $80,903 a year, 15% below the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $474,200 (12% below the Colorado median), and median gross rent is $1,833 a month. The median age is 31.2; 47.0% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 25 minutes.

Population23,024Four Square Mile23,024
Households10,138Four Square Mile10,138
Median age31.2Four Square Mile31.2Colorado37.7US 38.9
Median household income$80,903Four Square Mile$80,903Colorado$95,470US $80,734
Median home value$474,200Four Square Mile$474,200Colorado$539,400US $332,700
Median gross rent$1,833Four Square Mile$1,833Colorado$1,761US $1,413
Bachelor's degree or higher47.0%Four Square Mile47.0%Colorado45.7%US 35.7%
Mean commute25.4 minFour Square Mile25.4 minColorado25.2 minUS 26.4 min
Population density8,521 / sq miFour Square Mile8,521 / sq mi

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

ZIP codes covering Four Square Mile

These ZIP codes cover part of Four Square Mile but are addressed as somewhere else.

ZIP codes overlapping Four Square Mile
ZIP City Type Population Median income Median home
80224 Denver , CO Standard 19,352 $86,352 $604,000
80231 Denver , CO Standard 35,883 $76,502 $500,600
80247 Denver , CO Standard 29,760 $64,498 $318,400

Map of Four Square Mile ZIP codes

The ZIP codes of Four Square Mile, CO, 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 Four Square Mile

The nearest larger towns are Denver (718,877 people, 5.6 mi), Englewood (34,129 people, 6.1 mi) and Centennial (108,201 people, 6.3 mi).

Towns near Four Square Mile
TownPopulationDistance
Holly Hills 2,572 2.0 mi
Glendale 4,531 3.0 mi
Cherry Hills Village 6,354 4.4 mi
Greenwood Village 15,420 4.7 mi
Cherry Creek 10,721 5.1 mi
Denver 718,877 5.6 mi
Englewood 34,129 6.1 mi
Centennial 108,201 6.3 mi
Sheridan 6,005 7.3 mi
Inverness 2,934 7.3 mi
Dove Valley 4,806 7.9 mi
Acres Green 2,639 8.6 mi
Aurora 394,432 9.1 mi
Littleton 44,710 9.4 mi

More nearby: every ZIP code in Denver County · Colorado ZIP codes

Cite this page

zipcodes.pro. “Four Square Mile, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/four-square-mile

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