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/77720

77720

ZIP 77720 is in Beaumont, Texas, in Jefferson County; area codes 409 and 806; Central time. Beaumont has 13 ZIP codes in all.

Type
No street area
Time zone
America/Chicago
County
Jefferson
Coordinates
30.0860, -94.1018

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 77701, whose figures describe that area — not this ZIP code.

☼ Live from 77720 — Beaumont, TX

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Local time: —

Where 77720 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 77720
  • 🔢 Type 77720 into a pocket calculator and turn it upside down: OZLLL — not quite a word, sorry.
  • ➕ As a number, 77,720 = 2 × 2 × 2 × 5 × 29 × 67. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010111110011000
  • 🏠 Its numerical neighbours: 77713 (Beaumont, TX, 10 mi away) and 77725 (Beaumont, TX, 0 mi away).
  • 🔄 Backwards, 77720 becomes 02777 — and that is a real ZIP code: Swansea, MA, 1,506 miles away.
  • 👥 12 other ZIP codes are made of exactly the same digits (02777, 07727, 20777, 27707, 70727, 70772, …). The farthest-flung twin is 02777 in Swansea, MA, 1,506 miles away.
  • 🧭 Farther south than 93% of all ZIP codes, and farther west than 66%.
  • 🎯719 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77720 and you would come out at 30.09°S, 85.90°E — 1,423 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 05m of daylight. Shortest: 10h 12m.
🌙 The sky over 77720 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments16This ZIP16
Employees405This ZIP405
Annual payroll$29,577,000This ZIP$29,577,000

Land area

ZIP codes near 77720

ZIPCityDistance
77710 Beaumont, TX 0.0 mi
77725 Beaumont, TX 0.0 mi
77701 Beaumont, TX 0.9 mi
77702 Beaumont, TX 1.6 mi
77703 Beaumont, TX 2.0 mi
77706 Beaumont, TX 4.0 mi
77704 Beaumont, TX 4.1 mi
77707 Beaumont, TX 4.5 mi
77708 Beaumont, TX 5.4 mi
77726 Beaumont, TX 5.6 mi

Find every ZIP code within 10 miles of 77720 →

Questions about this ZIP code

Where is ZIP code 77720?

77720 is in Beaumont, Texas, in Jefferson County, part of the Beaumont-Port Arthur, TX metropolitan area. Its published point location is 30.0860, -94.1018.

What county is 77720 in?

77720 lies in Jefferson County.

What area code is 77720?

Beaumont uses area codes 409 and 806, from NANPA's telephone records.

What time zone is 77720 in?

77720 uses America/Chicago.

What ZIP codes are near 77720?

The closest are 77710 (0 mi), 77725 (0 mi), 77701 (0.9 mi), 77702 (1.6 mi) and 77703 (2 mi).

Is 77720 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. “77720 ZIP Code — Beaumont, Texas (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77720

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