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Where 75603 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 75603 into a pocket calculator and turn it upside down: EOgSL — not quite a word, sorry.
- ➕ As a number, 75,603 = 3 × 11 × 29 × 79. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010011101010011 - 🏠 Its numerical neighbours: 75602 (Longview, TX, 5 mi away) and 75604 (Longview, TX, 10 mi away).
- 🔄 Backwards, 75603 becomes 30657, which is not a ZIP code at all.
- 👥 59 other ZIP codes are made of exactly the same digits (03576, 03756, 03765, 05673, 05736, 05763, …). The farthest-flung twin is 03576 in Colebrook, NH, 1,518 miles away.
- 🧭 Farther south than 87% of all ZIP codes, and farther west than 68%.
- 🎯556 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 75603 and you would come out at 32.40°S, 85.29°E — 1,405 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 17m of daylight. Shortest: 10h 01m.
- 📏 At 53.0 square miles of land, 75603 is bigger than 61% of ZIP codes — room for about 40 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,061This ZIP6,061 |
|---|---|
| Households | 2,606This ZIP2,606 |
| Housing units | 2,943This ZIP2,943 |
| Median age | 42.8This ZIP42.8Texas35.6US 38.9 |
| Median household income | $65,212This ZIP$65,212Texas$78,476US $80,734 |
| Median home value | $185,800This ZIP$185,800Texas$283,800US $332,700 |
| Median gross rent | $697This ZIP$697Texas$1,403US $1,413 |
| Bachelor's degree or higher | 22.9%This ZIP22.9% |
| Mean commute | 28.2 minThis ZIP28.2 min |
| Population density | 114.3 / sq miThis ZIP114.3 / sq mi |
Business and tax activity
| Business establishments | 200This ZIP200 |
|---|---|
| Employees | 4,222This ZIP4,222 |
| Annual payroll | $275,034,000This ZIP$275,034,000 |
| Tax returns filed | 2,700This ZIP2,700 |
| Total adjusted gross income | $192,259,000This ZIP$192,259,000 |
Land area
| Land area | 53.03 sq miThis ZIP53.03 sq mi |
|---|---|
| Water area | 2.87 sq miThis ZIP2.87 sq mi |
Counties 75603 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Gregg County | 89.1% |
| Rusk County | 10.9% |
Other place names in 75603
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 75603
| ZIP | City | Distance |
|---|---|---|
75602 | Longview, TX | 4.6 mi |
75606 | Longview, TX | 7.0 mi |
75601 | Longview, TX | 7.3 mi |
75641 | Easton, TX | 8.0 mi |
75607 | Longview, TX | 8.6 mi |
75615 | Longview, TX | 8.6 mi |
75662 | Kilgore, TX | 9.6 mi |
75604 | Longview, TX | 10.2 mi |
75663 | Kilgore, TX | 10.8 mi |
75691 | Tatum, TX | 11.2 mi |
Find every ZIP code within 10 miles of 75603 →
Questions about this ZIP code
Where is ZIP code 75603?
75603 is in Longview, Texas, in Gregg County, part of the Longview, TX metropolitan area. Its published point location is 32.4031, -94.7112.
What county is 75603 in?
75603 spans 2 counties: Gregg County and Rusk County. Most of it falls in Gregg 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 75603?
Longview uses area codes 903 and 430, from NANPA's telephone records.
What time zone is 75603 in?
75603 uses America/Chicago.
How many people live in 75603?
About 6,061 people live in ZIP code 75603, in 2,606 households, at 114.3 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 75603?
$65,212 a year, against $78,476 across Texas.
What ZIP codes are near 75603?
The closest are 75602 (4.6 mi), 75606 (7 mi), 75601 (7.3 mi), 75641 (8 mi) and 75607 (8.6 mi).
Is 75603 a PO Box ZIP code?
75603 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “75603 ZIP Code — Longview, Texas (Gregg County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75603
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/75603.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.