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/75797

75797

ZIP 75797 is in Big Sandy, Texas, in Upshur County; area codes 430 and 903; Central time. Big Sandy has 2 ZIP codes; the other is 75755.

Type
No street area
Time zone
America/Chicago
County
Upshur
Metro area
Longview, TX
Coordinates
32.5765, -95.1313

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 75755, whose figures describe that area — not this ZIP code.

☼ Live from 75797 — Big Sandy, TX

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 75797 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 75797
  • 🔢 Type 75797 into a pocket calculator and turn it upside down: LGLSL — not quite a word, sorry.
  • ➕ 75797 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 35, a total 212 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010100000010101
  • 🏠 Its numerical neighbours: 75792 (Winona, TX, 8 mi away) and 75798 (Tyler, TX, 15 mi away).
  • 🔄 Backwards, 75797 becomes 79757, which is not a ZIP code at all.
  • 👥 6 other ZIP codes are made of exactly the same digits (57779, 75779, 75977, 77597, 77957, 77975). The farthest-flung twin is 57779 in Saint Onge, SD, 949 miles away.
  • 🧭 Farther south than 86% of all ZIP codes, and farther west than 69%.
  • 🎯537 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 75797 and you would come out at 32.58°S, 84.87°E — 1,383 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 18m of daylight. Shortest: 10h 00m.
🌙 The sky over 75797 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 75797

ZIPCityDistance
75755 Big Sandy, TX 5.5 mi
75765 Hawkins, TX 7.5 mi
75792 Winona, TX 7.6 mi
75647 Gladewater, TX 10.6 mi
75706 Tyler, TX 11.9 mi
75708 Tyler, TX 12.1 mi
75705 Tyler, TX 14.3 mi
75712 Tyler, TX 14.7 mi
75713 Tyler, TX 14.7 mi
75798 Tyler, TX 14.7 mi

Find every ZIP code within 10 miles of 75797 →

Questions about this ZIP code

Where is ZIP code 75797?

75797 is in Big Sandy, Texas, in Upshur County, part of the Longview, TX metropolitan area. Its published point location is 32.5765, -95.1313.

What county is 75797 in?

75797 lies in Upshur County.

What area code is 75797?

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

What time zone is 75797 in?

75797 uses America/Chicago.

What ZIP codes are near 75797?

The closest are 75755 (5.5 mi), 75765 (7.5 mi), 75792 (7.6 mi), 75647 (10.6 mi) and 75706 (11.9 mi).

Is 75797 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.

Download or cite

Cite this page

zipcodes.pro. “75797 ZIP Code — Big Sandy, Texas (Upshur County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75797

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/75797.json

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