Where is the 559 area code?

Area code 559 covers Fresno in California, on Pacific Time.

What time zone is area code 559 in?

Numbers in the 559 area code sit in Pacific Time.

Is 559 a toll-free or scam area code?

No. 559 is a geographic North American Numbering Plan area code assigned to California. Toll-free numbers use 800, 833, 844, 855, 866, 877 and 888. A call from 559 can still be spoofed, so treat unexpected calls with the usual caution.

Area code lookup

559 area code

Where the 559 area code is, which cities and counties it serves, the local time zone and the overlay codes dialled alongside it.

State: CA
Cities covered: 1
Counties: 1
Time zone: Pacific Time

Quick answer

Area code 559 serves Fresno in California. It sits in Pacific Time and covers 1 county and about 10 ZIP codes across the metros we track.

Cities in the 559 area code

Each city links to its full local profile: sales tax, housing, income and ZIP codes.

City	County	Time zone	ZIP codes
Fresno, CA	Fresno County	PST/PDT	10

559 area code FAQ

The questions people ask about this code.

Where is area code 559?

559 is a geographic area code in California, covering Fresno.

What time is it in the 559 area code?

559 observes Pacific Time (PST/PDT).

Is 559 a scam area code?

No — it is a normal geographic code, not a toll-free or premium-rate prefix. Caller ID can be spoofed on any code, so verify unexpected callers before sharing information.

Sources & transparency

North American Numbering Plan Administrator (NANPA) area code assignments — area code to geography mapping and overlay relationships
US Census Bureau, American Community Survey 2019-2023 5-year estimates — city, county and ZIP code geography

Last reviewed August 2026. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.