46403
ZIP 46403 is in Gary, Indiana, mostly in Lake County; area code 219; Central time. Gary has 8 ZIP codes in all.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Lake +1 more
- Metro area
- Chicago-Naperville-Elgin, IL-IN
- Population
- 10,929
- Coordinates
- 41.6105, -87.2582
Weather right now
Asking the National Weather Service…
Where 46403 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.
- 🔢 Type 46403 into a pocket calculator and turn it upside down: EOhgh — not quite a word, sorry.
- ➕ As a number, 46,403 = 7 × 7 × 947. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011010101000011 - 🏠 Its numerical neighbours: 46402 (Gary, IN, 4 mi away) and 46404 (Gary, IN, 6 mi away).
- 🔄 Backwards, 46403 becomes 30464 — and that is a real ZIP code: Stillmore, GA, 692 miles away.
- 👥 31 other ZIP codes are made of exactly the same digits (03446, 03464, 04346, 04364, 04463, 04634, …). The farthest-flung twin is 34046 in APO AA, a military post office, 1,902 miles away.
- 🧭 Farther north than 72% of all ZIP codes, and farther east than 51%.
- 🎯605 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 46403 and you would come out at 41.61°S, 92.74°E — 1,209 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 12m of daylight. Shortest: 9h 09m.
- 📏 At 9.2 square miles of land, 46403 is bigger than 26% of ZIP codes — room for about 7.0 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 10,929This ZIP10,929 |
|---|---|
| Households | 4,950This ZIP4,950 |
| Housing units | 6,363This ZIP6,363 |
| Median age | 40.4This ZIP40.4Indiana38.1US 38.9 |
| Median household income | $45,991This ZIP$45,991Indiana$71,957US $80,734 |
| Median home value | $177,600This ZIP$177,600Indiana$218,200US $332,700 |
| Median gross rent | $966This ZIP$966Indiana$1,062US $1,413 |
| Bachelor's degree or higher | 26.2%This ZIP26.2% |
| Mean commute | 30.4 minThis ZIP30.4 min |
| Population density | 1,183.2 / sq miThis ZIP1,183.2 / sq mi |
Business and tax activity
| Business establishments | 157This ZIP157 |
|---|---|
| Employees | 2,145This ZIP2,145 |
| Annual payroll | $119,443,000This ZIP$119,443,000 |
| Tax returns filed | 4,770This ZIP4,770 |
| Total adjusted gross income | $246,577,000This ZIP$246,577,000 |
Land area
| Land area | 9.24 sq miThis ZIP9.24 sq mi |
|---|---|
| Water area | 2.60 sq miThis ZIP2.60 sq mi |
Counties 46403 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Lake County | 89.5% |
| Porter County | 10.5% |
Other place names in 46403
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 46403
| ZIP | City | Distance |
|---|---|---|
46405 | Lake Station, IN | 2.5 mi |
46401 | Gary, IN | 3.5 mi |
46402 | Gary, IN | 4.1 mi |
46368 | Portage, IN | 4.3 mi |
46407 | Gary, IN | 4.3 mi |
46409 | Gary, IN | 5.5 mi |
46404 | Gary, IN | 6.3 mi |
46342 | Hobart, IN | 6.4 mi |
46408 | Gary, IN | 7.2 mi |
46406 | Gary, IN | 7.8 mi |
Find every ZIP code within 10 miles of 46403 →
Questions about this ZIP code
Where is ZIP code 46403?
46403 is in Gary, Indiana, in Lake County, part of the Chicago-Naperville-Elgin, IL-IN metropolitan area. Its published point location is 41.6105, -87.2582.
What county is 46403 in?
46403 spans 2 counties: Lake County and Porter County. Most of it falls in Lake 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 46403?
Gary uses area code 219, from NANPA's telephone records.
What time zone is 46403 in?
46403 uses America/Chicago.
How many people live in 46403?
About 10,929 people live in ZIP code 46403, in 4,950 households, at 1,183.2 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 46403?
$45,991 a year, against $71,957 across Indiana.
What ZIP codes are near 46403?
The closest are 46405 (2.5 mi), 46401 (3.5 mi), 46402 (4.1 mi), 46368 (4.3 mi) and 46407 (4.3 mi).
Is 46403 a PO Box ZIP code?
46403 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “46403 ZIP Code — Gary, Indiana (Lake County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/46403
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/46403.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.