Area code 369

Area code 369 Santa Rosa, California

Area code 369 is one of the newer area codes, added in 2023 to California, with numbers assigned in Santa Rosa, Fairfield, Lower Lake and 27 more places. It’s 9:10 PM there now.

State
California41 area codes in California
Time zone
Pacific9:10 PM there now
Exchanges
5530 places
Overlay
707Same area, 10-digit dialing
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Where area code 369 is

Numbers in 369 are assigned to 30 places in 7 counties: Sonoma County, Humboldt County, Solano County, Lake County, Mendocino County, Napa County, plus 1 more.

Santa Rosa has the most, 20% of the exchanges; the rest are spread across 29 other places.

  • Santa Rosa11
  • Fairfield3
  • Lower Lake3
  • Petaluma3
  • Dixon2
  • Miranda2
  • Healdsburg2
  • Sonoma2
  • Benicia2
  • Eureka2
  • Clearlake Oaks1
  • Guerneville1
  • Trinidad1
  • Napa1
  • Ukiah1
  • Vallejo1
  • Vacaville1
  • Windsor1
  • Arcata1
  • Point Arena1
  • Crescent City1
  • Lakeport1
  • Fortuna1
  • Middletown1

Phone companies in 369

55 blocks of numbers in 369 are held by 12 phone companies. The most belong to AT&T Mobility (12), Inteliquent (11) and T-Mobile (10).

A large share, about 51%, belongs to competitive and internet phone carriers; wireless networks hold 45% and local phone and cable companies 4%.

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

History and overlays

369 went into service in 2023, added to the area of 707.

707 (since 1959) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

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

Calling 369

It’s 9:10 PM Pacific time in 369 right now.

From elsewhere in the U.S., dial 1, 369 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 369 area code

Map of the 369 area code around Santa Rosa, Fairfield and Lower Lake, California.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 369

Where is area code 369?

In California, covering Santa Rosa, Fairfield and Lower Lake and other places across 7 counties.

What time zone is 369 in?

Pacific time. It was 9:10 PM there when this page loaded.

Is 369 an overlay?

Yes. 707 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 369 numbers?

12 companies hold blocks; the most belong to AT&T Mobility, Inteliquent and T-Mobile. About 45% of blocks are wireless.

Is 369 running out of numbers?

Not on record. 55 new exchanges have been assigned since 2021.