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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/75503

75503

ZIP 75503 is in Texarkana, Texas, in Bowie County; area codes 903 and 430; Central time. Texarkana has 6 ZIP codes; the others are 75501, 75504, 75505, 75507 and 75599.

Type
Standard
Time zone
America/Chicago
County
Bowie
Metro area
Texarkana, TX-AR
Population
26,372
Coordinates
33.5179, -94.1371
☼ Live from 75503 — Texarkana, TX

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Local time: —

Where 75503 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 75503
  • 🔢 Type 75503 into a pocket calculator and turn it upside down: EOSSL — not quite a word, sorry.
  • ➕ 75503 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: 10010011011101111
  • 🏠 Its numerical neighbours: 75501 (Texarkana, TX, 10 mi away) and 75504 (Texarkana, TX, 8 mi away).
  • 🔄 Backwards, 75503 becomes 30557 — and that is a real ZIP code: Martin, GA, 631 miles away.
  • 👥 34 other ZIP codes are made of exactly the same digits (03575, 03755, 05357, 05735, 05753, 30557, …). The farthest-flung twin is 03575 in Bretton Woods, NH, 1,425 miles away.
  • 🧭 Farther south than 82% of all ZIP codes, and farther west than 66%.
  • 🎯501 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 75503 and you would come out at 33.52°S, 85.86°E — 1,355 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 23m of daylight. Shortest: 9h 56m.
  • 📏 At 78.5 square miles of land, 75503 is bigger than 72% of ZIP codes — room for about 60 Central Parks.
🌙 The sky over 75503 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population26,372This ZIP26,372
Households10,637This ZIP10,637
Housing units11,497This ZIP11,497
Median age39.5This ZIP39.5Texas35.6US 38.9
Median household income$72,159This ZIP$72,159Texas$78,476US $80,734
Median home value$229,800This ZIP$229,800Texas$283,800US $332,700
Median gross rent$1,251This ZIP$1,251Texas$1,403US $1,413
Bachelor's degree or higher38.4%This ZIP38.4%
Mean commute14.4 minThis ZIP14.4 min
Population density336.1 / sq miThis ZIP336.1 / sq mi

Business and tax activity

Business establishments1,026This ZIP1,026
Employees16,667This ZIP16,667
Annual payroll$726,174,000This ZIP$726,174,000
Tax returns filed11,590This ZIP11,590
Total adjusted gross income$1,199,981,000This ZIP$1,199,981,000

Land area

Land area78.47 sq miThis ZIP78.47 sq mi
Water area2.53 sq miThis ZIP2.53 sq mi

Other place names in 75503

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

ZIP codes near 75503

ZIPCityDistance
75569 Nash, TX 5.4 mi
75505 Texarkana, TX 5.4 mi
75504 Texarkana, TX 8.2 mi
75507 Texarkana, TX 8.2 mi
75599 Texarkana, TX 8.2 mi
75561 Hooks, TX 8.3 mi
75501 Texarkana, TX 10.1 mi
71822 Ashdown, AR 10.5 mi
71853 Ogden, AR 12.6 mi
75573 Redwater, TX 12.9 mi

Find every ZIP code within 10 miles of 75503 →

Questions about this ZIP code

Where is ZIP code 75503?

75503 is in Texarkana, Texas, in Bowie County, part of the Texarkana, TX-AR metropolitan area. Its published point location is 33.5179, -94.1371.

What county is 75503 in?

75503 lies in Bowie County.

What area code is 75503?

Texarkana uses area codes 903 and 430, from NANPA's telephone records.

What time zone is 75503 in?

75503 uses America/Chicago.

How many people live in 75503?

About 26,372 people live in ZIP code 75503, in 10,637 households, at 336.1 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 75503?

$72,159 a year, against $78,476 across Texas.

What ZIP codes are near 75503?

The closest are 75569 (5.4 mi), 75505 (5.4 mi), 75504 (8.2 mi), 75507 (8.2 mi) and 75599 (8.2 mi).

Is 75503 a PO Box ZIP code?

75503 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “75503 ZIP Code — Texarkana, Texas (Bowie County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75503

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