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/77850

77850

ZIP 77850 is Concord, Texas, in Leon County; area codes 903 and 430; Central time.

Type
No street area
Time zone
America/Chicago
County
Leon
Metro area
none
Coordinates
31.3138, -95.9935

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 75831, whose figures describe that area — not this ZIP code.

☼ Live from 77850 — Concord, TX

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Where 77850 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 77850
  • 🔢 Type 77850 into a pocket calculator and turn it upside down: OSBLL — not quite a word, sorry.
  • ➕ As a number, 77,850 = 2 × 3 × 3 × 5 × 5 × 173. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000000011010
  • 🏠 Its numerical neighbours: 77845 (College Station, TX, 55 mi away) and 77852 (Deanville, TX, 76 mi away).
  • 🔄 Backwards, 77850 becomes 05877, which is not a ZIP code at all.
  • 👥 30 other ZIP codes are made of exactly the same digits (05778, 07758, 07857, 07875, 08757, 57078, …). The farthest-flung twin is 05778 in Whiting, VT, 1,511 miles away.
  • 🧭 Farther south than 90% of all ZIP codes, and farther west than 71%.
  • 🎯606 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77850 and you would come out at 31.31°S, 84.01°E — 1,437 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 11m of daylight. Shortest: 10h 06m.
🌙 The sky over 77850 today
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🌋 Shake report
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Source: USGS.

Land area

ZIP codes near 77850

ZIPCityDistance
75833 Centerville, TX 9.4 mi
75831 Buffalo, TX 11.1 mi
75846 Jewett, TX 11.2 mi
77855 Flynn, TX 12.7 mi
75850 Leona, TX 12.8 mi
77865 Marquez, TX 14.3 mi
75838 Donie, TX 18.0 mi
75855 Oakwood, TX 18.5 mi
77871 Normangee, TX 19.0 mi
77864 Madisonville, TX 25.1 mi

Find every ZIP code within 10 miles of 77850 →

Questions about this ZIP code

Where is ZIP code 77850?

77850 is in Concord, Texas, in Leon County. Its published point location is 31.3138, -95.9935.

What county is 77850 in?

77850 lies in Leon County.

What area code is 77850?

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

What time zone is 77850 in?

77850 uses America/Chicago.

What ZIP codes are near 77850?

The closest are 75833 (9.4 mi), 75831 (11.1 mi), 75846 (11.2 mi), 77855 (12.7 mi) and 75850 (12.8 mi).

Is 77850 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. “77850 ZIP Code — Concord, Texas (Leon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77850

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curl https://zipcodes.pro/zip/77850.json

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