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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/92128

92128

ZIP 92128 is in San Diego, California, in San Diego County; area codes 619 and 858; Pacific time. San Diego has 76 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
San Diego
Population
48,992
Coordinates
32.9970, -117.0730
☼ Live from 92128 — San Diego, CA

Weather right now

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Local time: —

Where 92128 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 92128
  • 🔢 Type 92128 into a pocket calculator and turn it upside down: BZIZG — not quite a word, sorry.
  • ➕ As a number, 92,128 = 2 × 2 × 2 × 2 × 2 × 2879. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011111100000
  • 🏠 Its numerical neighbours: 92127 (San Diego, CA, 3 mi away) and 92129 (San Diego, CA, 4 mi away).
  • 🔄 Backwards, 92128 becomes 82129, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (12928, 18229, 18922, 21289, 21298, 21829, …). The farthest-flung twin is 12928 in Crown Point, NY, 2,440 miles away.
  • 🧭 Farther south than 84% of all ZIP codes, and farther west than 90%.
  • 🎯1,129 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92128 and you would come out at 33.00°S, 62.93°E — 948 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 20m of daylight. Shortest: 9h 58m.
  • 📏 At 11.7 square miles of land, 92128 is bigger than 29% of ZIP codes — room for about 8.9 Central Parks.
🌙 The sky over 92128 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population48,992This ZIP48,992
Households20,281This ZIP20,281
Housing units21,284This ZIP21,284
Median age44.4This ZIP44.4California37.9US 38.9
Median household income$131,077This ZIP$131,077California$99,122US $80,734
Median home value$927,100This ZIP$927,100California$734,700US $332,700
Median gross rent$2,902This ZIP$2,902California$2,036US $1,413
Bachelor's degree or higher64.0%This ZIP64.0%
Mean commute23.7 minThis ZIP23.7 min
Population density4,185.2 / sq miThis ZIP4,185.2 / sq mi

Business and tax activity

Business establishments1,378This ZIP1,378
Employees21,804This ZIP21,804
Annual payroll$1,632,331,000This ZIP$1,632,331,000
Tax returns filed24,500This ZIP24,500
Total adjusted gross income$3,260,779,000This ZIP$3,260,779,000

Land area

Land area11.71 sq miThis ZIP11.71 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 92128

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

ZIP codes near 92128

ZIPCityDistance
92074 Poway, CA 3.2 mi
92127 San Diego, CA 3.3 mi
92064 Poway, CA 3.6 mi
92129 San Diego, CA 3.9 mi
92025 Escondido, CA 6.0 mi
92029 Escondido, CA 6.8 mi
92131 San Diego, CA 6.9 mi
92067 Rancho Santa Fe, CA 7.0 mi
92126 San Diego, CA 7.2 mi
92091 Rancho Santa Fe, CA 7.4 mi

Find every ZIP code within 10 miles of 92128 →

Questions about this ZIP code

Where is ZIP code 92128?

92128 is in San Diego, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.9970, -117.0730.

What county is 92128 in?

92128 lies in San Diego County.

What area code is 92128?

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

What time zone is 92128 in?

92128 uses America/Los_Angeles.

How many people live in 92128?

About 48,992 people live in ZIP code 92128, in 20,281 households, at 4,185.2 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 92128?

$131,077 a year, against $99,122 across California.

What ZIP codes are near 92128?

The closest are 92074 (3.2 mi), 92127 (3.3 mi), 92064 (3.6 mi), 92129 (3.9 mi) and 92025 (6 mi).

Is 92128 a PO Box ZIP code?

92128 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “92128 ZIP Code — San Diego, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92128

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