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/77399

77399

ZIP 77399 is in Livingston, Texas, in Polk County; area code 936; Central time. Livingston has 2 ZIP codes; the other is 77351.

Type
No street area
Time zone
America/Chicago
County
Polk
Metro area
none
Coordinates
30.8179, -94.8691

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 77351, whose figures describe that area — not this ZIP code.

☼ Live from 77399 — Livingston, TX

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Where 77399 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 77399
  • 🔢 Type 77399 into a pocket calculator and turn it upside down: GGELL — not quite a word, sorry.
  • ➕ As a number, 77,399 = 7 × 11057. Its digits add up to 35, a total 212 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010111001010111
  • 🏠 Its numerical neighbours: 77396 (Humble, TX, 65 mi away) and 77401 (Bellaire, TX, 85 mi away).
  • 🔄 Backwards, 77399 becomes 99377, which is not a ZIP code at all.
  • 👥 9 other ZIP codes are made of exactly the same digits (37997, 77993, 79379, 79739, 79937, 93779, …). The farthest-flung twin is 99773 in Shungnak, AK, 3,531 miles away.
  • 🧭 Farther south than 91% of all ZIP codes, and farther west than 68%.
  • 🎯657 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77399 and you would come out at 30.82°S, 85.13°E — 1,490 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 09m of daylight. Shortest: 10h 09m.
🌙 The sky over 77399 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments76This ZIP76
Employees249This ZIP249
Annual payroll$9,395,000This ZIP$9,395,000

Land area

ZIP codes near 77399

ZIPCityDistance
77350 Leggett, TX 2.6 mi
75960 Moscow, TX 6.5 mi
77351 Livingston, TX 7.6 mi
75934 Camden, TX 8.4 mi
75939 Corrigan, TX 14.3 mi
77360 Onalaska, TX 14.9 mi
77335 Goodrich, TX 15.9 mi
75865 Woodlake, TX 17.5 mi
75936 Chester, TX 19.0 mi
77332 Dallardsville, TX 19.2 mi

Find every ZIP code within 10 miles of 77399 →

Questions about this ZIP code

Where is ZIP code 77399?

77399 is in Livingston, Texas, in Polk County. Its published point location is 30.8179, -94.8691.

What county is 77399 in?

77399 lies in Polk County.

What area code is 77399?

Livingston uses area code 936, from NANPA's telephone records.

What time zone is 77399 in?

77399 uses America/Chicago.

What ZIP codes are near 77399?

The closest are 77350 (2.6 mi), 75960 (6.5 mi), 77351 (7.6 mi), 75934 (8.4 mi) and 75939 (14.3 mi).

Is 77399 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. “77399 ZIP Code — Livingston, Texas (Polk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77399

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