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/60423

60423

ZIP 60423 is Frankfort, Illinois, mostly in Will County; area codes 779 and 815; Central time.

Type
Standard
Time zone
America/Chicago
County
Will +1 more
Population
32,836
Coordinates
41.4745, -87.8412
☼ Live from 60423 — Frankfort, IL

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 60423 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 60423
  • 🔢 Type 60423 into a pocket calculator and turn it upside down: EZhOg — not quite a word, sorry.
  • ➕ As a number, 60,423 = 3 × 11 × 1831. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110110000000111
  • 🏠 Its numerical neighbours: 60422 (Flossmoor, IL, 9 mi away) and 60424 (Gardner, IL, 33 mi away).
  • 🔄 Backwards, 60423 becomes 32406 — and that is a real ZIP code: Panama City, FL, 786 miles away.
  • 👥 63 other ZIP codes are made of exactly the same digits (02346, 02364, 02634, 02643, 03246, 03264, …). The farthest-flung twin is 04623 in Columbia Falls, ME, 1,037 miles away.
  • 🧭 Farther north than 71% of all ZIP codes, and farther west than 50%.
  • 🎯574 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 60423 and you would come out at 41.47°S, 92.16°E — 1,189 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 37.9 square miles of land, 60423 is bigger than 52% of ZIP codes — room for about 29 Central Parks.
🌙 The sky over 60423 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population32,836This ZIP32,836
Households11,162This ZIP11,162
Housing units11,498This ZIP11,498
Median age43.0This ZIP43.0Illinois39.0US 38.9
Median household income$136,730This ZIP$136,730Illinois$83,390US $80,734
Median home value$398,200This ZIP$398,200Illinois$263,300US $332,700
Median gross rent$1,492This ZIP$1,492Illinois$1,274US $1,413
Bachelor's degree or higher48.5%This ZIP48.5%
Mean commute32.4 minThis ZIP32.4 min
Population density866.9 / sq miThis ZIP866.9 / sq mi

Business and tax activity

Business establishments1,122This ZIP1,122
Employees12,744This ZIP12,744
Annual payroll$651,435,000This ZIP$651,435,000
Tax returns filed16,570This ZIP16,570
Total adjusted gross income$2,448,962,000This ZIP$2,448,962,000

Land area

Land area37.88 sq miThis ZIP37.88 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Counties 60423 spans

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

CountyShare of this ZIP
Will County 94.7%
Cook County 5.3%

Other place names in 60423

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

ZIP codes near 60423

ZIPCityDistance
60449 Monee, IL 5.1 mi
60448 Mokena, IL 5.1 mi
60443 Matteson, IL 5.1 mi
60471 Richton Park, IL 5.8 mi
60487 Tinley Park, IL 6.2 mi
60451 New Lenox, IL 6.6 mi
60484 University Park, IL 7.1 mi
60477 Tinley Park, IL 7.4 mi
60478 Country Club Hills, IL 7.8 mi
60466 Park Forest, IL 8.1 mi

Find every ZIP code within 10 miles of 60423 →

Questions about this ZIP code

Where is ZIP code 60423?

60423 is in Frankfort, Illinois, in Will County, part of the Chicago-Naperville-Elgin, IL-IN metropolitan area. Its published point location is 41.4745, -87.8412.

What county is 60423 in?

60423 spans 2 counties: Will County and Cook County. Most of it falls in Will 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 60423?

Frankfort uses area codes 779 and 815, from NANPA's telephone records.

What time zone is 60423 in?

60423 uses America/Chicago.

How many people live in 60423?

About 32,836 people live in ZIP code 60423, in 11,162 households, at 866.9 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 60423?

$136,730 a year, against $83,390 across Illinois.

What ZIP codes are near 60423?

The closest are 60449 (5.1 mi), 60448 (5.1 mi), 60443 (5.1 mi), 60471 (5.8 mi) and 60487 (6.2 mi).

Is 60423 a PO Box ZIP code?

60423 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “60423 ZIP Code — Frankfort, Illinois (Will County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/60423

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/60423.json

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