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zipcodes.pro — ZIP/95558

95558

ZIP 95558 is Petrolia, California, in Humboldt County; area code 707; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
County
Humboldt
Metro area
Eureka-Arcata, CA
Population
230
Coordinates
40.3376, -124.2612
☼ Live from 95558 — Petrolia, CA

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Where 95558 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 95558
  • 🔢 Type 95558 into a pocket calculator and turn it upside down: BSSSG — not quite a word, sorry.
  • ➕ As a number, 95,558 = 2 × 47779. Its digits add up to 32, a total 644 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111010101000110
  • 🏠 Its numerical neighbours: 95556 (Orleans, CA, 76 mi away) and 95559 (Phillipsville, CA, 29 mi away).
  • 🔄 Backwards, 95558 becomes 85559, which is not a ZIP code at all.
  • 👥 7 other ZIP codes are made of exactly the same digits (55598, 55985, 58559, 59855, 89555, 95585, …). The farthest-flung twin is 55985 in West Concord, MN, 1,615 miles away.
  • 🧭 Farther north than 59% of all ZIP codes, and farther west than 98%.
  • 🎯1,353 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 95558 and you would come out at 40.34°S, 55.74°E — 941 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 168.4 square miles of land, 95558 is bigger than 88% of ZIP codes — room for about 128 Central Parks.
🌙 The sky over 95558 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population230This ZIP230
Households125This ZIP125
Housing units203This ZIP203
Median age50.6This ZIP50.6California37.9US 38.9
Median household income$51,719This ZIP$51,719California$99,122US $80,734
Median home value$566,200This ZIP$566,200California$734,700US $332,700
Bachelor's degree or higher24.6%This ZIP24.6%
Mean commute23.8 minThis ZIP23.8 min
Population density1.4 / sq miThis ZIP1.4 / sq mi

Business and tax activity

Business establishments9This ZIP9
Employees44This ZIP44
Annual payroll$2,136,000This ZIP$2,136,000
Tax returns filed150This ZIP150
Total adjusted gross income$5,374,000This ZIP$5,374,000

Land area

Land area168.45 sq miThis ZIP168.45 sq mi
Water area0.29 sq miThis ZIP0.29 sq mi

ZIP codes near 95558

ZIPCityDistance
95545 Honeydew, CA 10.6 mi
95562 Rio Dell, CA 11.1 mi
95536 Ferndale, CA 11.6 mi
95565 Scotia, CA 15.3 mi
95571 Weott, CA 16.8 mi
95540 Fortuna, CA 17.4 mi
95547 Hydesville, CA 18.7 mi
95528 Carlotta, CA 20.6 mi
95569 Redcrest, CA 21.1 mi
95553 Miranda, CA 22.0 mi

Find every ZIP code within 10 miles of 95558 →

Questions about this ZIP code

Where is ZIP code 95558?

95558 is in Petrolia, California, in Humboldt County, part of the Eureka-Arcata, CA micropolitan area. Its published point location is 40.3376, -124.2612.

What county is 95558 in?

95558 lies in Humboldt County.

What area code is 95558?

Petrolia uses area code 707, from NANPA's telephone records.

What time zone is 95558 in?

95558 uses America/Los_Angeles.

How many people live in 95558?

About 230 people live in ZIP code 95558, in 125 households, at 1.4 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 95558?

$51,719 a year, against $99,122 across California.

What ZIP codes are near 95558?

The closest are 95545 (10.6 mi), 95562 (11.1 mi), 95536 (11.6 mi), 95565 (15.3 mi) and 95571 (16.8 mi).

Is 95558 a PO Box ZIP code?

95558 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “95558 ZIP Code — Petrolia, California (Humboldt County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/95558

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