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/MO/ARCADIA

Arcadia ZIP code, Missouri

The ZIP code for Arcadia, MO is 63621, and its area code is 573.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
586
Area code
573

NANPA lists no telephone rate centre for Arcadia itself, so these are the area codes of the nearest one, Annapolis (8.0 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Arcadia 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.

Arcadia in numbers

About 586 people live in Arcadia, in 278 households. The median household income is $48,750 a year, 31% below the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $154,800 (33% below the Missouri median), and median gross rent is $346 a month. The median age is 47.4; 21.9% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 25 minutes.

Population586Arcadia586
Households278Arcadia278
Median age47.4Arcadia47.4Missouri39.0US 38.9
Median household income$48,750Arcadia$48,750Missouri$70,702US $80,734
Median home value$154,800Arcadia$154,800Missouri$230,300US $332,700
Median gross rent$346Arcadia$346Missouri$1,033US $1,413
Bachelor's degree or higher21.9%Arcadia21.9%Missouri32.4%US 35.7%
Mean commute25.0 minArcadia25.0 minMissouri23.5 minUS 26.4 min
Population density709 / sq miArcadia709 / sq mi

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

ZIP codes addressed as Arcadia

ZIP codes with the USPS city name Arcadia
ZIP City Type Population Median income Median home
63621 Arcadia , MO Standard 1,632 $87,825 $175,300

Other ZIP codes overlapping Arcadia

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

ZIP codes overlapping Arcadia
ZIP City Type Population Median income Median home
63650 Ironton , MO Standard 3,600 $50,183 $123,100

Map of Arcadia ZIP codes

63621

The ZIP codes of Arcadia, MO, 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 Arcadia

The nearest larger towns are Ironton (1,692 people, 0.7 mi), Pilot Knob (653 people, 2.7 mi) and Iron Mountain Lake (781 people, 7.3 mi).

Towns near Arcadia
TownPopulationDistance
Park Hills 8,678 17.5 mi
Farmington 18,282 17.5 mi
Fredericktown 4,507 17.9 mi
Desloge 4,863 20.9 mi
Terre du Lac 2,516 22.0 mi
Bonne Terre 6,683 23.6 mi
Potosi 2,544 25.3 mi

More nearby: every ZIP code in Iron County · Missouri ZIP codes

Cite this page

zipcodes.pro. “Arcadia, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/arcadia

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