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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/78280

78280

ZIP 78280 is in San Antonio, Texas, in Bexar County; area codes 210 and 726; Central time. San Antonio has 83 ZIP codes in all.

Type
No street area
Time zone
America/Chicago
County
Bexar
Coordinates
29.4375, -98.4616

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 78208, whose figures describe that area — not this ZIP code.

☼ Live from 78280 — San Antonio, TX

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Where 78280 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 78280
  • 🔢 Type 78280 into a pocket calculator and turn it upside down: OBZBL — not quite a word, sorry.
  • ➕ As a number, 78,280 = 2 × 2 × 2 × 5 × 19 × 103. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011000111001000
  • 🏠 Its numerical neighbours: 78279 (San Antonio, TX, 0 mi away) and 78283 (San Antonio, TX, 0 mi away).
  • 🔄 Backwards, 78280 becomes 08287, which is not a ZIP code at all.
  • 👥 22 other ZIP codes are made of exactly the same digits (02878, 02887, 07828, 07882, 08827, 08872, …). The farthest-flung twin is 02878 in Tiverton, RI, 1,739 miles away.
  • 🧭 Farther south than 95% of all ZIP codes, and farther west than 78%.
  • 🎯718 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78280 and you would come out at 29.44°S, 81.54°E — 1,499 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 02m of daylight. Shortest: 10h 15m.
🌙 The sky over 78280 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees30This ZIP30
Annual payroll$1,022,000This ZIP$1,022,000

Land area

ZIP codes near 78280

ZIPCityDistance
78206 San Antonio, TX 0.0 mi
78241 San Antonio, TX 0.0 mi
78246 San Antonio, TX 0.0 mi
78265 San Antonio, TX 0.0 mi
78268 San Antonio, TX 0.0 mi
78269 San Antonio, TX 0.0 mi
78270 San Antonio, TX 0.0 mi
78278 San Antonio, TX 0.0 mi
78279 San Antonio, TX 0.0 mi
78283 San Antonio, TX 0.0 mi

Find every ZIP code within 10 miles of 78280 →

Questions about this ZIP code

Where is ZIP code 78280?

78280 is in San Antonio, Texas, in Bexar County, part of the San Antonio-New Braunfels, TX metropolitan area. Its published point location is 29.4375, -98.4616.

What county is 78280 in?

78280 lies in Bexar County.

What area code is 78280?

San Antonio uses area codes 210 and 726, from NANPA's telephone records.

What time zone is 78280 in?

78280 uses America/Chicago.

What ZIP codes are near 78280?

The closest are 78206 (0 mi), 78241 (0 mi), 78246 (0 mi), 78265 (0 mi) and 78268 (0 mi).

Is 78280 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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zipcodes.pro. “78280 ZIP Code — San Antonio, Texas (Bexar County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78280

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