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/77404

77404

ZIP 77404 is in Bay City, Texas, in Matagorda County; area code 979; Central time. Bay City has 2 ZIP codes; the other is 77414.

Type
No street area
Time zone
America/Chicago
County
Matagorda
Metro area
Bay City, TX
Coordinates
28.9828, -95.9694

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 77414, whose figures describe that area — not this ZIP code.

☼ Live from 77404 — Bay City, TX

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Where 77404 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 77404
  • 🔢 Type 77404 into a pocket calculator and turn it upside down: hOhLL — not quite a word, sorry.
  • ➕ As a number, 77,404 = 2 × 2 × 37 × 523. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010111001011100
  • 🏠 Its numerical neighbours: 77402 (Bellaire, TX, 67 mi away) and 77406 (Richmond, TX, 47 mi away).
  • 🔄 Backwards, 77404 becomes 40477, which is not a ZIP code at all.
  • 👥 17 other ZIP codes are made of exactly the same digits (04747, 04774, 07474, 44077, 44707, 47407, …). The farthest-flung twin is 04774 in Saint Francis, ME, 1,912 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 71%.
  • 🎯764 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77404 and you would come out at 28.98°S, 84.03°E — 1,424 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 00m of daylight. Shortest: 10h 17m.
🌙 The sky over 77404 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments8This ZIP8
Employees20This ZIP20
Annual payroll$889,000This ZIP$889,000

Land area

ZIP codes near 77404

ZIPCityDistance
77414 Bay City, TX 7.3 mi
77456 Markham, TX 8.2 mi
77482 Van Vleck, TX 8.6 mi
77440 Elmaton, TX 12.4 mi
77468 Pledger, TX 12.8 mi
77431 Danciger, TX 13.8 mi
77480 Sweeny, TX 14.2 mi
77463 Old Ocean, TX 14.9 mi
77483 Wadsworth, TX 15.2 mi
77432 Danevang, TX 16.1 mi

Find every ZIP code within 10 miles of 77404 →

Questions about this ZIP code

Where is ZIP code 77404?

77404 is in Bay City, Texas, in Matagorda County, part of the Bay City, TX micropolitan area. Its published point location is 28.9828, -95.9694.

What county is 77404 in?

77404 lies in Matagorda County.

What area code is 77404?

Bay City uses area code 979, from NANPA's telephone records.

What time zone is 77404 in?

77404 uses America/Chicago.

What ZIP codes are near 77404?

The closest are 77414 (7.3 mi), 77456 (8.2 mi), 77482 (8.6 mi), 77440 (12.4 mi) and 77468 (12.8 mi).

Is 77404 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. “77404 ZIP Code — Bay City, Texas (Matagorda County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77404

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