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/LYONS

Lyons ZIP code, Colorado

The ZIP code for Lyons, CO is 80540, and its area codes are 720, 303 and 983.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
1,838
Area codes
720, 303, 983

NANPA lists no telephone rate centre for Lyons itself, so these are the area codes of the nearest one, Longmont (10.7 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Lyons uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Lyons in numbers

About 1,838 people live in Lyons, in 747 households. The median household income is $122,837 a year, 29% above the Colorado median of $95,470 (US: $80,734). The median owner-occupied home is valued at $845,400 (57% above the Colorado median), and median gross rent is $1,981 a month. The median age is 46.4; 75.3% of adults 25 and over hold a bachelor's degree or higher (45.7% across Colorado); the average commute takes 22 minutes.

Population1,838Lyons1,838
Households747Lyons747
Median age46.4Lyons46.4Colorado37.7US 38.9
Median household income$122,837Lyons$122,837Colorado$95,470US $80,734
Median home value$845,400Lyons$845,400Colorado$539,400US $332,700
Median gross rent$1,981Lyons$1,981Colorado$1,761US $1,413
Bachelor's degree or higher75.3%Lyons75.3%Colorado45.7%US 35.7%
Mean commute22.1 minLyons22.1 minColorado25.2 minUS 26.4 min
Population density1,348 / sq miLyons1,348 / sq mi

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

ZIP codes addressed as Lyons

ZIP codes with the USPS city name Lyons
ZIP City Type Population Median income Median home
80540 Lyons , CO Standard 4,642 $139,521 $795,500

Other ZIP codes overlapping Lyons

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

ZIP codes overlapping Lyons
ZIP City Type Population Median income Median home
80503 Longmont , CO Standard 35,846 $113,620 $755,500

Map of Lyons ZIP codes

80540

The ZIP codes of Lyons, 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 Lyons

The nearest larger towns are Longmont (99,406 people, 9.6 mi), Niwot (3,447 people, 10 mi) and Gunbarrel (10,051 people, 12 mi).

Towns near Lyons
TownPopulationDistance
Longmont 99,406 9.6 mi
Niwot 3,447 10.4 mi
Gunbarrel 10,051 12.2 mi
Boulder 106,433 13.8 mi
Mead 5,919 14.8 mi
Berthoud 12,411 16.5 mi
Estes Park 5,844 17.2 mi
Loveland 78,410 17.2 mi
Frederick 16,651 17.5 mi
Firestone 18,049 17.5 mi
Erie 33,808 17.5 mi
Lafayette 30,602 18.1 mi
Louisville 20,786 18.7 mi
Johnstown 18,883 19.7 mi

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

Cite this page

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

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