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/93443

93443

ZIP 93443 is in Morro Bay, California, in San Luis Obispo County; area code 805; Pacific time. Morro Bay has 2 ZIP codes; the other is 93442.

Type
No street area
Time zone
America/Los_Angeles
Coordinates
35.3658, -120.8499

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 93442, whose figures describe that area — not this ZIP code.

☼ Live from 93443 — Morro Bay, CA

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Where 93443 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 93443
  • 🔢 Type 93443 into a pocket calculator and turn it upside down: EhhEG — not quite a word, sorry.
  • ➕ As a number, 93,443 = 7 × 7 × 1907. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110110100000011
  • 🏠 Its numerical neighbours: 93442 (Morro Bay, CA, 4 mi away) and 93444 (Nipomo, CA, 30 mi away).
  • 🔄 Backwards, 93443 becomes 34439, which is not a ZIP code at all.
  • 👥 9 other ZIP codes are made of exactly the same digits (33449, 33944, 39443, 43349, 43439, 43934, …). The farthest-flung twin is 33449 in Lake Worth, FL, 2,463 miles away.
  • 🧭 Farther south than 72% of all ZIP codes, and farther west than 94%.
  • 🎯1,254 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 93443 and you would come out at 35.37°S, 59.15°E — 1,026 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 33m of daylight. Shortest: 9h 46m.
🌙 The sky over 93443 today
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Source: USGS.

Business and tax activity

Business establishments5This ZIP5
Employees9This ZIP9
Annual payroll$340,000This ZIP$340,000

Land area

ZIP codes near 93443

ZIPCityDistance
93442 Morro Bay, CA 3.7 mi
93412 Los Osos, CA 3.9 mi
93402 Los Osos, CA 4.9 mi
93423 Atascadero, CA 6.3 mi
93405 San Luis Obispo, CA 7.9 mi
93408 San Luis Obispo, CA 8.0 mi
93409 San Luis Obispo, CA 9.1 mi
93430 Cayucos, CA 9.8 mi
93407 San Luis Obispo, CA 11.0 mi
93435 Harmony, CA 11.2 mi

Find every ZIP code within 10 miles of 93443 →

Questions about this ZIP code

Where is ZIP code 93443?

93443 is in Morro Bay, California, in San Luis Obispo County, part of the San Luis Obispo-Paso Robles, CA metropolitan area. Its published point location is 35.3658, -120.8499.

What county is 93443 in?

93443 lies in San Luis Obispo County.

What area code is 93443?

Morro Bay uses area code 805, from NANPA's telephone records.

What time zone is 93443 in?

93443 uses America/Los_Angeles.

What ZIP codes are near 93443?

The closest are 93442 (3.7 mi), 93412 (3.9 mi), 93402 (4.9 mi), 93423 (6.3 mi) and 93405 (7.9 mi).

Is 93443 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. “93443 ZIP Code — Morro Bay, California (San Luis Obispo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/93443

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/93443.json

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