559 area code: location, time zone and current time in Fresno

Quick answer: The 559 area code covers Fresno and the central San Joaquin Valley in California, United States. It uses the Pacific Time Zone and was split from the 209 code in 1998.

Key points about the 559 area code

  • The 559 area code serves Fresno and the central valley.
  • It uses Pacific Time (UTC-8 standard, UTC-7 in summer).
  • 559 was split from 209 in 1998.
  • It covers a large agricultural region of central California.
  • Fresno is the largest city it serves.

559 area code at a glance

Region Fresno, California
Country United States
Time zone Pacific Time (PT)
UTC offset UTC-8 / UTC-7 (DST)
In service since 1998
Split from 209
Largest city Fresno

Where is the 559 area code?

The 559 area code is located in Fresno, California, United States. The 559 area code covers Fresno and the central San Joaquin Valley in California, United States. It uses the Pacific Time Zone and was split from the 209 code in 1998.

Fresno is one of several California metros in this guide. See the related California codes for 916 area code (Sacramento), 669 area code (San Jose), 925 area code (East Bay).

What time zone is the 559 area code in?

The 559 area code follows Pacific Time (PT). In practice that means UTC-8 (PST) and UTC-7 during daylight saving (PDT).

History of the 559 area code

The 559 area code was created in 1998 when it was split from 209, which had become overloaded across the central valley. The new code took in Fresno and the surrounding farming counties of central California. It has not needed an overlay since, so much of the region still uses seven-digit local dialing within the code.

Nearby area codes

Area code Region
209 Stockton and Modesto, the original code
661 Bakersfield and Kern County
805 / 820 Central coast of California
760 Eastern and desert California

Cities covered by the 559 area code

City Approx. population
Fresno Around 545,000
Visalia Around 145,000
Clovis Around 125,000
Hanford Around 58,000
Madera Around 67,000

Largest telephone carriers

The main networks providing service across the 559 area code include:

  • AT&T
  • Verizon
  • T-Mobile
  • Comcast (Xfinity Mobile)

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