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/GUNBARREL

Gunbarrel ZIP codes, Colorado

No ZIP code is named for Gunbarrel, CO; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 80503 and 80301. Its area codes are 720, 303 and 983.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
10,051
Area codes
720, 303, 983

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

Gunbarrel in numbers

About 10,051 people live in Gunbarrel, in 4,899 households. The median household income is $109,407 a year, 15% above the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $821,000 (52% above the Colorado median), and median gross rent is $1,972 a month. The median age is 43.3; 70.4% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 22 minutes.

Population10,051Gunbarrel10,051
Households4,899Gunbarrel4,899
Median age43.3Gunbarrel43.3Colorado37.7US 38.9
Median household income$109,407Gunbarrel$109,407Colorado$95,470US $80,734
Median home value$821,000Gunbarrel$821,000Colorado$539,400US $332,700
Median gross rent$1,972Gunbarrel$1,972Colorado$1,761US $1,413
Bachelor's degree or higher70.4%Gunbarrel70.4%Colorado45.7%US 35.7%
Mean commute21.8 minGunbarrel21.8 minColorado25.2 minUS 26.4 min
Population density1,609 / sq miGunbarrel1,609 / sq mi

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

ZIP codes covering Gunbarrel

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

ZIP codes overlapping Gunbarrel
ZIP City Type Population Median income Median home
80301 Boulder , CO Standard 25,007 $95,207 $793,200
80503 Longmont , CO Standard 35,846 $113,620 $755,500

Map of Gunbarrel ZIP codes

The ZIP codes of Gunbarrel, 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 Gunbarrel

The nearest larger towns are Boulder (106,433 people, 5.0 mi), Lafayette (30,602 people, 6.1 mi) and Louisville (20,786 people, 6.6 mi).

Towns near Gunbarrel
TownPopulationDistance
Niwot 3,447 2.5 mi
Boulder 106,433 5.0 mi
Lafayette 30,602 6.1 mi
Louisville 20,786 6.6 mi
Erie 33,808 7.2 mi
Longmont 99,406 8.2 mi
Superior 13,305 9.1 mi
Broomfield 76,304 9.9 mi
Frederick 16,651 10.8 mi
Dacono 6,530 11.9 mi
Firestone 18,049 13.4 mi
Westminster 115,484 13.9 mi
Northglenn 38,014 14.5 mi
Mead 5,919 14.9 mi

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

Cite this page

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

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