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Area code 357

Area code 357 Lemoore, California

Area code 357 is one of the newer area codes, added in 2025 to California, with numbers assigned in Lemoore, Kingsburg, Firebaugh and 6 more places. It’s 9:13 PM there now.

State
California41 area codes in California
Time zone
Pacific9:13 PM there now
Exchanges
99 places
Overlay
559Same area, 10-digit dialing
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Where area code 357 is

Numbers in 357 are assigned to 9 places in 3 counties: Fresno County, Kings County and Tulare County.

No single place dominates: Lemoore, the largest, has 11% of the exchanges.

  • Lemoore1
  • Kingsburg1
  • Firebaugh1
  • Springville1
  • Clovis1
  • Sanger1
  • Hanford1
  • Fresno1
  • Visalia1

Phone companies in 357

9 blocks of numbers in 357 are held by 5 phone companies. The most belong to Inteliquent (5), Verizon Wireless (1) and Wide Voice (1).

A large share, about 89%, belongs to competitive and internet phone carriers; wireless networks hold 11% and local phone and cable companies 0%.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

357 went into service in 2025, added to the area of 559.

559 (since 1998) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

9 new exchanges were assigned since 2021, the latest in October 2026.

Calling 357

It’s 9:13 PM Pacific time in 357 right now.

From elsewhere in the U.S., dial 1, 357 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

California has 41 area codes: 209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949 and 951.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 357 area code

Map of the 357 area code around Lemoore, Kingsburg and Firebaugh, California.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 357

Where is area code 357?

In California, covering Lemoore, Kingsburg and Firebaugh and other places across 3 counties.

What time zone is 357 in?

Pacific time. It was 9:13 PM there when this page loaded.

Is 357 an overlay?

Yes. 559 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 357 numbers?

5 companies hold blocks; the most belong to Inteliquent, Verizon Wireless and Wide Voice. About 11% of blocks are wireless.

Is 357 running out of numbers?

Not on record. 9 new exchanges have been assigned since 2021.