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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/75663

75663

ZIP 75663 is in Kilgore, Texas, in Gregg County; area codes 903 and 430; Central time. Kilgore has 2 ZIP codes; the other is 75662.

Type
No street area
Time zone
America/Chicago
County
Gregg
Metro area
Longview, TX
Coordinates
32.3870, -94.8951

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 75662, whose figures describe that area — not this ZIP code.

☼ Live from 75663 — Kilgore, TX

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Where 75663 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 75663
  • 🔢 Type 75663 into a pocket calculator and turn it upside down: EggSL — not quite a word, sorry.
  • ➕ As a number, 75,663 = 3 × 3 × 7 × 1201. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010011110001111
  • 🏠 Its numerical neighbours: 75662 (Kilgore, TX, 1 mi away) and 75666 (Laird Hill, TX, 2 mi away).
  • 🔄 Backwards, 75663 becomes 36657, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (35766, 36567, 36576, 36675, 36756, 36765, …). The farthest-flung twin is 56763 in Warroad, MN, 1,135 miles away.
  • 🧭 Farther south than 87% of all ZIP codes, and farther west than 68%.
  • 🎯554 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 75663 and you would come out at 32.39°S, 85.10°E — 1,401 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.
🌙 The sky over 75663 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments37This ZIP37
Employees804This ZIP804
Annual payroll$50,249,000This ZIP$50,249,000

Land area

ZIP codes near 75663

ZIPCityDistance
75662 Kilgore, TX 1.3 mi
75666 Laird Hill, TX 2.4 mi
75684 Overton, TX 8.0 mi
75682 New London, TX 9.3 mi
75604 Longview, TX 9.6 mi
75647 Gladewater, TX 9.8 mi
75693 White Oak, TX 10.3 mi
75705 Tyler, TX 10.6 mi
75607 Longview, TX 10.8 mi
75615 Longview, TX 10.8 mi

Find every ZIP code within 10 miles of 75663 →

Questions about this ZIP code

Where is ZIP code 75663?

75663 is in Kilgore, Texas, in Gregg County, part of the Longview, TX metropolitan area. Its published point location is 32.3870, -94.8951.

What county is 75663 in?

75663 lies in Gregg County.

What area code is 75663?

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

What time zone is 75663 in?

75663 uses America/Chicago.

What ZIP codes are near 75663?

The closest are 75662 (1.3 mi), 75666 (2.4 mi), 75684 (8 mi), 75682 (9.3 mi) and 75604 (9.6 mi).

Is 75663 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “75663 ZIP Code — Kilgore, Texas (Gregg County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75663

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/75663.json

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