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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/78404

78404

ZIP 78404 is in Corpus Christi, Texas, in Nueces County; area code 361; Central time. Corpus Christi has 30 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Nueces
Metro area
Corpus Christi, TX
Population
12,635
Coordinates
27.7679, -97.3994
☼ Live from 78404 — Corpus Christi, TX

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Where 78404 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 78404
  • 🔢 Type 78404 into a pocket calculator and turn it upside down: hOhBL — not quite a word, sorry.
  • ➕ As a number, 78,404 = 2 × 2 × 17 × 1153. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001001000100
  • 🏠 Its numerical neighbours: 78403 (Corpus Christi, TX, 4 mi away) and 78405 (Corpus Christi, TX, 2 mi away).
  • 🔄 Backwards, 78404 becomes 40487, which is not a ZIP code at all.
  • 👥 31 other ZIP codes are made of exactly the same digits (04478, 04487, 04847, 07844, 40847, 40874, …). The farthest-flung twin is 04487 in Springfield, ME, 2,012 miles away.
  • 🧭 Farther south than 97% of all ZIP codes, and farther west than 75%.
  • 🎯836 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78404 and you would come out at 27.77°S, 82.60°E — 1,417 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 54m of daylight. Shortest: 10h 23m.
  • 📏 At 3.2 square miles of land, 78404 is bigger than 15% of ZIP codes — room for about 2.4 Central Parks.
🌙 The sky over 78404 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population12,635This ZIP12,635
Households5,396This ZIP5,396
Housing units6,587This ZIP6,587
Median age47.5This ZIP47.5Texas35.6US 38.9
Median household income$61,280This ZIP$61,280Texas$78,476US $80,734
Median home value$189,000This ZIP$189,000Texas$283,800US $332,700
Median gross rent$1,273This ZIP$1,273Texas$1,403US $1,413
Bachelor's degree or higher23.1%This ZIP23.1%
Mean commute19.3 minThis ZIP19.3 min
Population density3,927.6 / sq miThis ZIP3,927.6 / sq mi

Business and tax activity

Business establishments389This ZIP389
Employees7,080This ZIP7,080
Annual payroll$352,295,000This ZIP$352,295,000
Tax returns filed6,010This ZIP6,010
Total adjusted gross income$492,706,000This ZIP$492,706,000

Land area

Land area3.22 sq miThis ZIP3.22 sq mi
Water area0.00 sq mi

Other place names in 78404

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

ZIP codes near 78404

ZIPCityDistance
78401 Corpus Christi, TX 2.0 mi
78427 Corpus Christi, TX 2.3 mi
78460 Corpus Christi, TX 2.3 mi
78405 Corpus Christi, TX 2.4 mi
78416 Corpus Christi, TX 2.7 mi
78411 Corpus Christi, TX 2.8 mi
78408 Corpus Christi, TX 3.5 mi
78403 Corpus Christi, TX 3.9 mi
78426 Corpus Christi, TX 3.9 mi
78463 Corpus Christi, TX 3.9 mi

Find every ZIP code within 10 miles of 78404 →

Questions about this ZIP code

Where is ZIP code 78404?

78404 is in Corpus Christi, Texas, in Nueces County, part of the Corpus Christi, TX metropolitan area. Its published point location is 27.7679, -97.3994.

What county is 78404 in?

78404 lies in Nueces County.

What area code is 78404?

Corpus Christi uses area code 361, from NANPA's telephone records.

What time zone is 78404 in?

78404 uses America/Chicago.

How many people live in 78404?

About 12,635 people live in ZIP code 78404, in 5,396 households, at 3,927.6 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 78404?

$61,280 a year, against $78,476 across Texas.

What ZIP codes are near 78404?

The closest are 78401 (2 mi), 78427 (2.3 mi), 78460 (2.3 mi), 78405 (2.4 mi) and 78416 (2.7 mi).

Is 78404 a PO Box ZIP code?

78404 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78404 ZIP Code — Corpus Christi, Texas (Nueces County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78404

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