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95558 ZIP Code

ZIP Code: 95558 Petrolia

Extra Details of ZIP Code 95558

ZIP Code 95558
Zip Code Type Standard
State California - CA
Official Zip Code Name Petrolia
Primary County Humboldt
Area Code (s) 707
Racial Majority 88.06%
Elevation Range 282 - 2395 ft.

Data: State Statistics Office | Updated on: Apr 16, 2026

How to write a U.S. envelope?

The first step is to write the recipient address:
First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.

The second step is to write the reply address:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state abbr, and zip code.

Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.

How to Read Zip Code

Population and Employment

population

409

Unemployment Rate
0.6%
Poverty Rate
22.7%
Non-Citizens
4.2%

Location of Zip Code 95558

On this map you can see exactly where postcodes are located within Germany.

Gender & Age Statistics

Gender

  • Male
    48%
  • Female
    52%

Age

  • <10 years
    8%
  • 10-17 years
    8%
  • 18-34 years
    8%
  • 35-64 years
    36%
  • 65+ years
    40%

95558 Demographics

Racial Diversity

  • White
    80%
  • African American
    0%
  • Hispanic
    4%
  • American Indian or Alaska native
    3%
  • Asian & Other race
    6%

Education Levels

  • Master's degree or above
    13%
  • Bachelor's degree
    12%
  • Some college or associate degree
    56%
  • High school diploma or vocational degree
    16%
  • Less than high school diploma
    3%

95558 Income

Median Household Income

$65,875

National $64,994

Household Income Brackets

  • <$30k
    30%
  • $30-$44k
    15%
  • $45-$84k
    20%
  • $85-$149k
    15%
  • $150k+
    21%

Median Individual Income

$28,750

National $32,197

Individual Income Brackets

  • <$20k
    22%
  • $20-$34k
    35%
  • $35-$74k
    20%
  • $75k+
    22%

Online Business Directory

Whether you're looking for hotels, hairdressers, doctors or lawyers in Petrolia, CA. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance agents. Everything you need is easily accessible here!

Sigmoid
100 Pine St #1250, San Francisco, 94111

Tawkify
525 Brannan Street,, California, N/A

Hire-Payroll
P.O. Box 4660, Ontario, CA 91761, Ontario, 91761

PNPLINE
4422 E Airport Dr. Unit c, Ontario, 91761

Truklyft Movers & Storage
815 E St, San Diego, 92126

San Jose Family Law Attorney
1550 The Alameda #308, San Jose, 95126

Weber Insurance & Financial Services, LLC
2190 Meridian Park Blvd. STE. E., Concord, 94520

The Drain Doctor Covina
527 N. Azusa Ave, #354, Covina, 91722

Schools Serving Petrolia

Mattole Triple Junction High
Po Box 211 Petrolia, CA 95558

Mattole Elementary
P.o. Box 211 Petrolia, CA 95558

Honeydew Elementary
P.o. Box 211 Petrolia, CA 95558

Library Petrolia

Museum Petrolia

Hospital Petrolia

University Petrolia