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Area code 837

Area code 837 Redding, California

Area code 837 is one of the newer area codes, added in 2025 to California, with numbers assigned in Redding, Red Bluff, Chico and 6 more places. It’s 9:14 PM there now.

State
California41 area codes in California
Time zone
Pacific9:14 PM there now
Exchanges
119 places
Overlay
530Same area, 10-digit dialing
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Where area code 837 is

Numbers in 837 are assigned to 9 places in 8 counties: Shasta County, Nevada County, Tehama County, Butte County, Placer County, Inyo County, plus 2 more.

No single place dominates: Redding, the largest, has 18% of the exchanges.

  • Redding2
  • Red Bluff1
  • Chico1
  • Auburn1
  • Truckee1
  • Homewood Canyon1
  • Hornbrook1
  • Shingle Springs1
  • Nevada City1

Phone companies in 837

11 blocks of numbers in 837 are held by 4 phone companies. The most belong to Inteliquent (6), Exiant Communications (2) and Wide Voice (2).

A large share, about 100%, belongs to competitive and internet phone carriers; wireless networks hold 0% 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

837 went into service in 2025, added to the area of 530.

530 (since 1997) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

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

Calling 837

It’s 9:14 PM Pacific time in 837 right now.

From elsewhere in the U.S., dial 1, 837 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 837 area code

Map of the 837 area code around Redding, Red Bluff and Chico, California.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 837

Where is area code 837?

In California, covering Redding, Red Bluff and Chico and other places across 8 counties.

What time zone is 837 in?

Pacific time. It was 9:14 PM there when this page loaded.

Is 837 an overlay?

Yes. 530 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 837 numbers?

4 companies hold blocks; the most belong to Inteliquent, Exiant Communications and Wide Voice. About 0% of blocks are wireless.

Is 837 running out of numbers?

Not on record. 11 new exchanges have been assigned since 2021.