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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/77338

77338

ZIP 77338 is in Humble, Texas, in Harris County; area codes 281, 346, 832 and 806; Central time. Humble has 4 ZIP codes; the others are 77346, 77347 and 77396.

Type
Standard
Time zone
America/Chicago
County
Harris
Population
48,031
Coordinates
30.0144, -95.2830
☼ Live from 77338 — Humble, TX

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Local time: —

Where 77338 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 77338
  • 🔢 Type 77338 into a pocket calculator and turn it upside down: BEELL — not quite a word, sorry.
  • ➕ As a number, 77,338 = 2 × 38669. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10010111000011010
  • 🏠 Its numerical neighbours: 77337 (Hufsmith, TX, 20 mi away) and 77339 (Kingwood, TX, 4 mi away).
  • 🔄 Backwards, 77338 becomes 83377, which is not a ZIP code at all.
  • 👥 15 other ZIP codes are made of exactly the same digits (33778, 33877, 37378, 37387, 37738, 37873, …). The farthest-flung twin is 37873 in Surgoinsville, TN, 847 miles away.
  • 🧭 Farther south than 93% of all ZIP codes, and farther west than 69%.
  • 🎯703 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 77338 and you would come out at 30.01°S, 84.72°E — 1,457 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 05m of daylight. Shortest: 10h 13m.
  • 📏 At 26.0 square miles of land, 77338 is bigger than 43% of ZIP codes — room for about 20 Central Parks.
🌙 The sky over 77338 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population48,031This ZIP48,031
Households16,791This ZIP16,791
Housing units17,933This ZIP17,933
Median age31.9This ZIP31.9Texas35.6US 38.9
Median household income$64,755This ZIP$64,755Texas$78,476US $80,734
Median home value$233,300This ZIP$233,300Texas$283,800US $332,700
Median gross rent$1,415This ZIP$1,415Texas$1,403US $1,413
Bachelor's degree or higher21.2%This ZIP21.2%
Mean commute29.8 minThis ZIP29.8 min
Population density1,844.2 / sq miThis ZIP1,844.2 / sq mi

Business and tax activity

Business establishments1,296This ZIP1,296
Employees22,996This ZIP22,996
Annual payroll$1,038,421,000This ZIP$1,038,421,000
Tax returns filed19,800This ZIP19,800
Total adjusted gross income$927,104,000This ZIP$927,104,000

Land area

Land area26.05 sq miThis ZIP26.05 sq mi
Water area1.07 sq miThis ZIP1.07 sq mi

Other place names in 77338

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 77338

ZIPCityDistance
77347 Humble, TX 1.6 mi
77032 Houston, TX 4.2 mi
77339 Kingwood, TX 4.3 mi
77396 Humble, TX 5.1 mi
77346 Humble, TX 6.5 mi
77325 Kingwood, TX 6.6 mi
77365 Porter, TX 6.9 mi
77373 Spring, TX 6.9 mi
77073 Houston, TX 7.1 mi
77386 Spring, TX 7.4 mi

Find every ZIP code within 10 miles of 77338 →

Questions about this ZIP code

Where is ZIP code 77338?

77338 is in Humble, Texas, in Harris County, part of the Houston-Pasadena-The Woodlands, TX metropolitan area. Its published point location is 30.0144, -95.2830.

What county is 77338 in?

77338 lies in Harris County.

What area code is 77338?

Humble uses area codes 281, 346, 832 and 806, from NANPA's telephone records.

What time zone is 77338 in?

77338 uses America/Chicago.

How many people live in 77338?

About 48,031 people live in ZIP code 77338, in 16,791 households, at 1,844.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 77338?

$64,755 a year, against $78,476 across Texas.

What ZIP codes are near 77338?

The closest are 77347 (1.6 mi), 77032 (4.2 mi), 77339 (4.3 mi), 77396 (5.1 mi) and 77346 (6.5 mi).

Is 77338 a PO Box ZIP code?

77338 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “77338 ZIP Code — Humble, Texas (Harris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/77338

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