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 — ZIP/62221

62221

ZIP 62221 is in Belleville, Illinois, in St. Clair County; area codes 618 and 730; Central time. Belleville has 5 ZIP codes; the others are 62220, 62222, 62223 and 62226.

Type
Standard
Time zone
America/Chicago
County
St. Clair
Metro area
St. Louis, MO-IL
Population
29,875
Coordinates
38.5092, -89.9022
☼ Live from 62221 — Belleville, IL

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 62221 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 62221
  • 🔢 Type 62221 into a pocket calculator and turn it upside down: IZZZg — not quite a word, sorry.
  • ➕ As a number, 62,221 = 43 × 1447. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111001100001101
  • 🏠 Its numerical neighbours: 62220 (Belleville, IL, 6 mi away) and 62222 (Belleville, IL, 6 mi away).
  • 🔄 Backwards, 62221 becomes 12226 — and that is a real ZIP code: Albany, NY, 890 miles away.
  • 👥 5 other ZIP codes are made of exactly the same digits (12226, 16222, 21226, 21622, 22216). The farthest-flung twin is 12226 in Albany, NY, 890 miles away.
  • 🧭 Farther south than 55% of all ZIP codes, and farther west than 56%.
  • 🎯473 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 62221 and you would come out at 38.51°S, 90.10°E — 1,234 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 28m.
  • 📏 At 35.0 square miles of land, 62221 is bigger than 50% of ZIP codes — room for about 27 Central Parks.
🌙 The sky over 62221 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population29,875This ZIP29,875
Households12,151This ZIP12,151
Housing units12,720This ZIP12,720
Median age38.5This ZIP38.5Illinois39.0US 38.9
Median household income$82,271This ZIP$82,271Illinois$83,390US $80,734
Median home value$217,500This ZIP$217,500Illinois$263,300US $332,700
Median gross rent$1,152This ZIP$1,152Illinois$1,274US $1,413
Bachelor's degree or higher38.4%This ZIP38.4%
Mean commute23.1 minThis ZIP23.1 min
Population density854.3 / sq miThis ZIP854.3 / sq mi

Business and tax activity

Business establishments355This ZIP355
Employees4,132This ZIP4,132
Annual payroll$170,177,000This ZIP$170,177,000
Tax returns filed14,120This ZIP14,120
Total adjusted gross income$1,068,058,000This ZIP$1,068,058,000

Land area

Land area34.97 sq miThis ZIP34.97 sq mi
Water area0.29 sq miThis ZIP0.29 sq mi

Other place names in 62221

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 62221

ZIPCityDistance
62225 Scott Air Force Base, IL 3.6 mi
62220 Belleville, IL 5.6 mi
62226 Belleville, IL 5.6 mi
62243 Freeburg, IL 6.3 mi
62269 O Fallon, IL 6.3 mi
62222 Belleville, IL 6.5 mi
62258 Mascoutah, IL 7.3 mi
62208 Fairview Heights, IL 8.1 mi
62254 Lebanon, IL 8.1 mi
62223 Belleville, IL 8.7 mi

Find every ZIP code within 10 miles of 62221 →

Questions about this ZIP code

Where is ZIP code 62221?

62221 is in Belleville, Illinois, in St. Clair County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.5092, -89.9022.

What county is 62221 in?

62221 lies in St. Clair County.

What area code is 62221?

Belleville uses area codes 618 and 730, from NANPA's telephone records.

What time zone is 62221 in?

62221 uses America/Chicago.

How many people live in 62221?

About 29,875 people live in ZIP code 62221, in 12,151 households, at 854.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 62221?

$82,271 a year, against $83,390 across Illinois.

What ZIP codes are near 62221?

The closest are 62225 (3.6 mi), 62220 (5.6 mi), 62226 (5.6 mi), 62243 (6.3 mi) and 62269 (6.3 mi).

Is 62221 a PO Box ZIP code?

62221 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “62221 ZIP Code — Belleville, Illinois (St. Clair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/62221

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/62221.json

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