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/SUGARLOAF

Sugarloaf ZIP codes, Colorado

No ZIP code is named for Sugarloaf, CO; addresses there use a neighbouring town's name. The ZIP code covering it is 80302. Its area codes are 720, 303 and 983.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
474
Area codes
720, 303, 983

NANPA lists no telephone rate centre for Sugarloaf itself, so these are the area codes of the nearest one, Longmont (12.3 miles). A town on an area-code boundary can differ from its neighbour.

Sugarloaf in numbers

About 474 people live in Sugarloaf, in 165 households. The median owner-occupied home is valued at $1,255,400 (2.3 times the Colorado median). The median age is 40.7; 85.8% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 34 minutes.

Population474Sugarloaf474
Households165Sugarloaf165
Median age40.7Sugarloaf40.7Colorado37.7US 38.9
Median home value$1,255,400Sugarloaf$1,255,400Colorado$539,400US $332,700
Bachelor's degree or higher85.8%Sugarloaf85.8%Colorado45.7%US 35.7%
Mean commute34.3 minSugarloaf34.3 minColorado25.2 minUS 26.4 min
Population density218 / sq miSugarloaf218 / sq mi

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

ZIP codes covering Sugarloaf

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

ZIP codes overlapping Sugarloaf
ZIP City Type Population Median income Median home
80302 Boulder , CO Standard 29,569 $61,698 $1,190,800

Map of Sugarloaf ZIP codes

80302

The ZIP codes of Sugarloaf, 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 Sugarloaf

The nearest larger towns are Pine Brook Hill (543 people, 5.5 mi), Lazy Acres (778 people, 6.0 mi) and Nederland (1,655 people, 6.4 mi).

Towns near Sugarloaf
TownPopulationDistance
Boulder 106,433 8.3 mi
Gunbarrel 10,051 12.9 mi
Niwot 3,447 14.3 mi
Louisville 20,786 14.4 mi
Superior 13,305 14.5 mi
Lafayette 30,602 16.4 mi
Arvada 122,634 18.7 mi
Longmont 99,406 19.2 mi
Broomfield 76,304 19.4 mi
Erie 33,808 19.6 mi
Fairmount 9,902 20.0 mi
Westminster 115,484 20.7 mi
Golden 20,417 21.8 mi
Shaw Heights 5,565 22.5 mi

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

Cite this page

zipcodes.pro. “Sugarloaf, CO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/co/sugarloaf

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