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/92178

92178

ZIP 92178 is in Coronado, California, in San Diego County; area codes 619 and 858; Pacific time. Coronado has 2 ZIP codes; the other is 92118.

Type
No street area
Time zone
America/Los_Angeles
County
San Diego
Coordinates
32.6859, -117.1831

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 92118, whose figures describe that area — not this ZIP code.

☼ Live from 92178 — Coronado, CA

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Where 92178 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 92178
  • 🔢 Type 92178 into a pocket calculator and turn it upside down: BLIZG — not quite a word, sorry.
  • ➕ As a number, 92,178 = 2 × 3 × 3 × 3 × 3 × 569. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110100000010010
  • 🏠 Its numerical neighbours: 92177 (San Diego, CA, 3 mi away) and 92179 (San Diego, CA, 16 mi away).
  • 🔄 Backwards, 92178 becomes 87129, which is not a ZIP code at all.
  • 👥 36 other ZIP codes are made of exactly the same digits (12789, 12879, 12978, 12987, 17829, 17982, …). The farthest-flung twin is 12987 in Upper Jay, NY, 2,449 miles away.
  • 🧭 Farther south than 86% of all ZIP codes, and farther west than 90%.
  • 🎯1,145 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92178 and you would come out at 32.69°S, 62.82°E — 925 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 18m of daylight. Shortest: 10h 00m.
🌙 The sky over 92178 today
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Source: USGS.

Business and tax activity

Business establishments7This ZIP7
Employees16This ZIP16
Annual payroll$533,000This ZIP$533,000

Land area

ZIP codes near 92178

ZIPCityDistance
92135 San Diego, CA 0.9 mi
92118 Coronado, CA 1.8 mi
92132 San Diego, CA 2.0 mi
92101 San Diego, CA 2.3 mi
92155 San Diego, CA 2.4 mi
92112 San Diego, CA 2.5 mi
92138 San Diego, CA 2.5 mi
92142 San Diego, CA 2.5 mi
92149 San Diego, CA 2.5 mi
92150 San Diego, CA 2.5 mi

Find every ZIP code within 10 miles of 92178 →

Questions about this ZIP code

Where is ZIP code 92178?

92178 is in Coronado, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.6859, -117.1831.

What county is 92178 in?

92178 lies in San Diego County.

What area code is 92178?

Coronado uses area codes 619 and 858, from NANPA's telephone records.

What time zone is 92178 in?

92178 uses America/Los_Angeles.

What ZIP codes are near 92178?

The closest are 92135 (0.9 mi), 92118 (1.8 mi), 92132 (2 mi), 92101 (2.3 mi) and 92155 (2.4 mi).

Is 92178 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. “92178 ZIP Code — Coronado, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92178

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/92178.json

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