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/77522

77522

ZIP 77522 is in Baytown, Texas, in Harris County; area codes 281, 346, 832 and 713; Central time. Baytown has 4 ZIP codes; the others are 77520, 77521 and 77523.

Type
No street area
Time zone
America/Chicago
County
Harris
Coordinates
29.7355, -94.9774

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 77520, whose figures describe that area — not this ZIP code.

☼ Live from 77522 — Baytown, TX

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Where 77522 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 77522
  • 🔢 Type 77522 into a pocket calculator and turn it upside down: ZZSLL — not quite a word, sorry.
  • ➕ As a number, 77,522 = 2 × 83 × 467. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010111011010010
  • 🏠 Its numerical neighbours: 77521 (Baytown, TX, 5 mi away) and 77523 (Baytown, TX, 7 mi away).
  • 🔄 Backwards, 77522 becomes 22577 — and that is a real ZIP code: Sandy Point, VA, 1,200 miles away.
  • 👥 16 other ZIP codes are made of exactly the same digits (22577, 25727, 25772, 27527, 27572, 52727, …). The farthest-flung twin is 22577 in Sandy Point, VA, 1,200 miles away.
  • 🧭 Farther south than 94% of all ZIP codes, and farther west than 68%.
  • 🎯727 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77522 and you would come out at 29.74°S, 85.02°E — 1,431 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 03m of daylight. Shortest: 10h 14m.
🌙 The sky over 77522 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments32This ZIP32
Employees2,116This ZIP2,116
Annual payroll$322,652,000This ZIP$322,652,000

Land area

ZIP codes near 77522

ZIPCityDistance
77520 Baytown, TX 1.4 mi
77521 Baytown, TX 5.3 mi
77572 La Porte, TX 5.4 mi
77571 La Porte, TX 5.8 mi
77523 Baytown, TX 7.0 mi
77562 Highlands, TX 8.0 mi
77536 Deer Park, TX 8.9 mi
77530 Channelview, TX 9.0 mi
77507 Pasadena, TX 9.3 mi
77580 Mont Belvieu, TX 10.3 mi

Find every ZIP code within 10 miles of 77522 →

Questions about this ZIP code

Where is ZIP code 77522?

77522 is in Baytown, Texas, in Harris County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 29.7355, -94.9774.

What county is 77522 in?

77522 lies in Harris County.

What area code is 77522?

Baytown uses area codes 281, 346, 832 and 713, from NANPA's telephone records.

What time zone is 77522 in?

77522 uses America/Chicago.

What ZIP codes are near 77522?

The closest are 77520 (1.4 mi), 77521 (5.3 mi), 77572 (5.4 mi), 77571 (5.8 mi) and 77523 (7 mi).

Is 77522 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. “77522 ZIP Code — Baytown, Texas (Harris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77522

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/77522.json

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