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/91946

91946

ZIP 91946 is in Lemon Grove, California, in San Diego County; area codes 619 and 858; Pacific time. Lemon Grove has 2 ZIP codes; the other is 91945.

Type
No street area
Time zone
America/Los_Angeles
County
San Diego
Coordinates
32.7426, -117.0314

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 91945, whose figures describe that area — not this ZIP code.

☼ Live from 91946 — Lemon Grove, CA

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Where 91946 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 91946
  • 🔢 Type 91946 into a pocket calculator and turn it upside down: ghGIG — not quite a word, sorry.
  • ➕ As a number, 91,946 = 2 × 31 × 1483. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011100101010
  • 🏠 Its numerical neighbours: 91945 (Lemon Grove, CA, 1 mi away) and 91948 (Mount Laguna, CA, 34 mi away).
  • 🔄 Backwards, 91946 becomes 64919, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (19496, 19946, 19964, 46919, 46991, 49619, …). The farthest-flung twin is 96419 in FPO AA, a military post office, 7,379 miles away.
  • 🧭 Farther south than 85% of all ZIP codes, and farther west than 90%.
  • 🎯1,135 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91946 and you would come out at 32.74°S, 62.97°E — 932 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 19m of daylight. Shortest: 9h 59m.
🌙 The sky over 91946 today
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Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees17This ZIP17
Annual payroll$687,000This ZIP$687,000

Land area

ZIP codes near 91946

ZIPCityDistance
91945 Lemon Grove, CA 0.7 mi
91943 La Mesa, CA 1.8 mi
91944 La Mesa, CA 1.8 mi
91976 Spring Valley, CA 1.9 mi
91979 Spring Valley, CA 1.9 mi
91941 La Mesa, CA 2.3 mi
91977 Spring Valley, CA 2.4 mi
91942 La Mesa, CA 2.5 mi
92115 San Diego, CA 2.7 mi
92114 San Diego, CA 2.8 mi

Find every ZIP code within 10 miles of 91946 →

Questions about this ZIP code

Where is ZIP code 91946?

91946 is in Lemon Grove, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.7426, -117.0314.

What county is 91946 in?

91946 lies in San Diego County.

What area code is 91946?

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

What time zone is 91946 in?

91946 uses America/Los_Angeles.

What ZIP codes are near 91946?

The closest are 91945 (0.7 mi), 91943 (1.8 mi), 91944 (1.8 mi), 91976 (1.9 mi) and 91979 (1.9 mi).

Is 91946 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. “91946 ZIP Code — Lemon Grove, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91946

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/91946.json

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