357 area code
Fresno area, Pacific Time.Area code 357 covers Fresno, Visalia, Clovis and 56 more places in California, on Pacific Time. 559 covers the same area.
Right now in Fresno
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Small talk
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Where 357 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 357 covers 59, but it's new and has barely been issued yet, so these are ranked by the numbers its overlay already holds. Its biggest metro area is Fresno, CA.
Fresno, Visalia, Clovis, Madera, Hanford, Porterville, Tulare, Dinuba, Lemoore, Reedley, Selma, Caruthers + 47 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 357 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 357 number to them, since you can't tell a work line from a personal cell.
What applies to 357Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
357 and 559
357 went into service on March 26, 2025. 357 and 559 cover the same area, so new numbers can get either code and neighbors can have different area codes. 357 holds 0% of the area's exchanges; 559 holds the most. Local calls take all 10 digits.
- 1998559 overlay
- 2025357 starts
Source: NANPA area code database
Other California area codes
All California area codes- Stockton209350
- Los Angeles213323738
- Sacramento279916
- Compton310424
- Oakland341510
- Santa Rosa369707
- San Jose408669
- San Francisco415628
- Oceanside442760
- Chico530837
- Long Beach562
- San Diego619858
- Alhambra626
- Palo Alto650
- Anaheim657714
- Bakersfield661
- Van Nuys747818
- Santa Barbara805820
- Salinas831
- Ontario840909
- Walnut Creek925
- Irvine949
- Riverside951
Calling a list of 357 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
357 area code FAQ
What area code is 357?
357 is a California area code for Fresno, Visalia, Clovis, Madera and 55 more places.
What time zone is the 357 area code in?
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer).
Is 559 the same as 357?
Same area, different code. 357 and 559 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 357 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 357 area code start?
On March 26, 2025.
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