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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/93430

93430

ZIP 93430 is Cayucos, California, in San Luis Obispo County; area codes 805 and 820; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
Population
3,125
Coordinates
35.4848, -120.9442
☼ Live from 93430 — Cayucos, CA

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Local time: —

Where 93430 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 93430
  • 🔢 Type 93430 into a pocket calculator and turn it upside down: OEhEG — not quite a word, sorry.
  • ➕ As a number, 93,430 = 2 × 5 × 9343. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110110011110110
  • 🏠 Its numerical neighbours: 93429 (Casmalia, CA, 48 mi away) and 93432 (Creston, CA, 26 mi away).
  • 🔄 Backwards, 93430 becomes 03439, which is not a ZIP code at all.
  • 👥 22 other ZIP codes are made of exactly the same digits (04933, 30349, 30394, 30439, 33409, 33904, …). The farthest-flung twin is 34039 in APO AA, a military post office, 3,677 miles away.
  • 🧭 Farther south than 72% of all ZIP codes, and farther west than 94%.
  • 🎯1,256 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 93430 and you would come out at 35.48°S, 59.06°E — 1,032 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 33m of daylight. Shortest: 9h 45m.
  • 📏 At 71.7 square miles of land, 93430 is bigger than 69% of ZIP codes — room for about 54 Central Parks.
🌙 The sky over 93430 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,125This ZIP3,125
Households1,571This ZIP1,571
Housing units2,719This ZIP2,719
Median age60.1This ZIP60.1California37.9US 38.9
Median household income$89,519This ZIP$89,519California$99,122US $80,734
Median home value$1,018,200This ZIP$1,018,200California$734,700US $332,700
Median gross rent$1,571This ZIP$1,571California$2,036US $1,413
Bachelor's degree or higher45.0%This ZIP45.0%
Mean commute40.1 minThis ZIP40.1 min
Population density43.6 / sq miThis ZIP43.6 / sq mi

Business and tax activity

Business establishments82This ZIP82
Employees461This ZIP461
Annual payroll$17,219,000This ZIP$17,219,000
Tax returns filed1,480This ZIP1,480
Total adjusted gross income$189,631,000This ZIP$189,631,000

Land area

Land area71.74 sq miThis ZIP71.74 sq mi
Water area4.64 sq miThis ZIP4.64 sq mi

Other place names in 93430

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

ZIP codes near 93430

ZIPCityDistance
93435 Harmony, CA 1.9 mi
93428 Cambria, CA 8.8 mi
93443 Morro Bay, CA 9.8 mi
93442 Morro Bay, CA 10.0 mi
93423 Atascadero, CA 10.6 mi
93465 Templeton, CA 12.5 mi
93412 Los Osos, CA 13.6 mi
93422 Atascadero, CA 14.4 mi
93402 Los Osos, CA 14.5 mi
93408 San Luis Obispo, CA 17.0 mi

Find every ZIP code within 10 miles of 93430 →

Questions about this ZIP code

Where is ZIP code 93430?

93430 is in Cayucos, California, in San Luis Obispo County, part of the San Luis Obispo-Paso Robles, CA metropolitan area. Its published point location is 35.4848, -120.9442.

What county is 93430 in?

93430 lies in San Luis Obispo County.

What area code is 93430?

Cayucos uses area codes 805 and 820, from NANPA's telephone records.

What time zone is 93430 in?

93430 uses America/Los_Angeles.

How many people live in 93430?

About 3,125 people live in ZIP code 93430, in 1,571 households, at 43.6 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 93430?

$89,519 a year, against $99,122 across California.

What ZIP codes are near 93430?

The closest are 93435 (1.9 mi), 93428 (8.8 mi), 93443 (9.8 mi), 93442 (10 mi) and 93423 (10.6 mi).

Is 93430 a PO Box ZIP code?

93430 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “93430 ZIP Code — Cayucos, California (San Luis Obispo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/93430

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