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/62638

62638

ZIP 62638 is Franklin, Illinois, mostly in Morgan County; area codes 217 and 447; Central time.

Type
Standard
Time zone
America/Chicago
County
Morgan +1 more
Metro area
Jacksonville, IL
Population
1,485
Coordinates
39.6093, -90.0812
☼ Live from 62638 — Franklin, IL

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 62638 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 62638
  • 🔢 Type 62638 into a pocket calculator and turn it upside down: BEgZg — not quite a word, sorry.
  • ➕ As a number, 62,638 = 2 × 31319. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111010010101110
  • 🏠 Its numerical neighbours: 62635 (Emden, IL, 58 mi away) and 62639 (Frederick, IL, 37 mi away).
  • 🔄 Backwards, 62638 becomes 83626 — and that is a real ZIP code: Greenleaf, ID, 1,403 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (23668, 23866, 26386, 26638, 26836, 28366, …). The farthest-flung twin is 83626 in Greenleaf, ID, 1,403 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther west than 56%.
  • 🎯452 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 62638 and you would come out at 39.61°S, 89.92°E — 1,176 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
  • 📏 At 67.7 square miles of land, 62638 is bigger than 68% of ZIP codes — room for about 51 Central Parks.
🌙 The sky over 62638 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,485This ZIP1,485
Households526This ZIP526
Housing units577This ZIP577
Median age45.7This ZIP45.7Illinois39.0US 38.9
Median household income$86,538This ZIP$86,538Illinois$83,390US $80,734
Median home value$130,100This ZIP$130,100Illinois$263,300US $332,700
Median gross rent$971This ZIP$971Illinois$1,274US $1,413
Bachelor's degree or higher15.5%This ZIP15.5%
Mean commute25.5 minThis ZIP25.5 min
Population density22.0 / sq miThis ZIP22.0 / sq mi

Business and tax activity

Business establishments19This ZIP19
Employees110This ZIP110
Annual payroll$3,943,000This ZIP$3,943,000
Tax returns filed630This ZIP630
Total adjusted gross income$49,500,000This ZIP$49,500,000

Land area

Land area67.65 sq miThis ZIP67.65 sq mi
Water area0.16 sq miThis ZIP0.16 sq mi

Counties 62638 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Morgan County 95.6%
Macoupin County 4.4%

Other place names in 62638

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

ZIP codes near 62638

ZIPCityDistance
62695 Woodson, IL 7.6 mi
62692 Waverly, IL 7.8 mi
62668 Murrayville, IL 9.0 mi
62683 Scottville, IL 9.0 mi
62667 Modesto, IL 9.6 mi
62601 Alexander, IL 10.0 mi
62651 Jacksonville, IL 11.4 mi
62650 Jacksonville, IL 11.6 mi
62674 Palmyra, IL 12.0 mi
62662 Lowder, IL 13.2 mi

Find every ZIP code within 10 miles of 62638 →

Questions about this ZIP code

Where is ZIP code 62638?

62638 is in Franklin, Illinois, in Morgan County, part of the Jacksonville, IL micropolitan area. Its published point location is 39.6093, -90.0812.

What county is 62638 in?

62638 spans 2 counties: Morgan County and Macoupin County. Most of it falls in Morgan County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 62638?

Franklin uses area codes 217 and 447, from NANPA's telephone records.

What time zone is 62638 in?

62638 uses America/Chicago.

How many people live in 62638?

About 1,485 people live in ZIP code 62638, in 526 households, at 22.0 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 62638?

$86,538 a year, against $83,390 across Illinois.

What ZIP codes are near 62638?

The closest are 62695 (7.6 mi), 62692 (7.8 mi), 62668 (9 mi), 62683 (9 mi) and 62667 (9.6 mi).

Is 62638 a PO Box ZIP code?

62638 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “62638 ZIP Code — Franklin, Illinois (Morgan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/62638

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/62638.json

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