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zipcodes.pro — ZIP/62921

62921

ZIP 62921 is Colp, Illinois, in Williamson County; area code 618; Central time.

Type
Standard
Time zone
America/Chicago
County
Williamson
Metro area
Marion-Herrin, IL
Population
233
Coordinates
37.7986, -89.0828
☼ Live from 62921 — Colp, IL

Weather right now

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Local time: —

Where 62921 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 62921
  • 🔢 Type 62921 into a pocket calculator and turn it upside down: IZGZg — not quite a word, sorry.
  • ➕ 62921 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111010111001001
  • 🏠 Its numerical neighbours: 62920 (Cobden, IL, 19 mi away) and 62922 (Creal Springs, IL, 19 mi away).
  • 🔄 Backwards, 62921 becomes 12926 — and that is a real ZIP code: Constable, NY, 909 miles away.
  • 👥 23 other ZIP codes are made of exactly the same digits (12926, 12962, 16229, 16922, 21629, 26219, …). The farthest-flung twin is 96212 in APO AA, a military post office, 6,805 miles away.
  • 🧭 Farther south than 59% of all ZIP codes, and farther west than 53%.
  • 🎯530 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 62921 and you would come out at 37.80°S, 90.92°E — 1,300 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 33m.
  • 📏 At 0.535 square miles of land, 62921 is bigger than 5% of ZIP codes — about 259 football fields.
🌙 The sky over 62921 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population233This ZIP233
Households115This ZIP115
Housing units159This ZIP159
Median age41.5This ZIP41.5Illinois39.0US 38.9
Median home value$75,000This ZIP$75,000Illinois$263,300US $332,700
Median gross rentunder $100This ZIPunder $100Illinois$1,274US $1,413
Bachelor's degree or higher17.2%This ZIP17.2%
Mean commute27.8 minThis ZIP27.8 min
Population density435.5 / sq miThis ZIP435.5 / sq mi

Land area

Land area0.54 sq miThis ZIP0.54 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 62921

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

ZIP codes near 62921

ZIPCityDistance
62918 Carterville, IL 0.9 mi
62915 Cambria, IL 2.4 mi
62948 Herrin, IL 3.4 mi
62933 Energy, IL 3.9 mi
62949 Hurst, IL 3.9 mi
62999 Zeigler, IL 5.1 mi
62924 De Soto, IL 6.3 mi
62841 Freeman Spur, IL 6.3 mi
62983 Royalton, IL 7.1 mi
62901 Carbondale, IL 8.0 mi

Find every ZIP code within 10 miles of 62921 →

Questions about this ZIP code

Where is ZIP code 62921?

62921 is in Colp, Illinois, in Williamson County, part of the Marion-Herrin, IL micropolitan area. Its published point location is 37.7986, -89.0828.

What county is 62921 in?

62921 lies in Williamson County.

What area code is 62921?

Colp uses area code 618, from NANPA's telephone records.

What time zone is 62921 in?

62921 uses America/Chicago.

How many people live in 62921?

About 233 people live in ZIP code 62921, in 115 households, at 435.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 62921?

The closest are 62918 (0.9 mi), 62915 (2.4 mi), 62948 (3.4 mi), 62933 (3.9 mi) and 62949 (3.9 mi).

Is 62921 a PO Box ZIP code?

62921 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “62921 ZIP Code — Colp, Illinois (Williamson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/62921

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