Caller ID for
Area code 707
Area code 707 Santa Rosa, California
Area code 707 is in California, with numbers assigned in Santa Rosa, Fairfield, Vallejo and 61 more places. It’s 9:12 PM there now.
- State
- California41 area codes in California
- Time zone
- Pacific9:12 PM there now
- Exchanges
- 78564 places
- Overlay
- 369Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 707 is
Numbers in 707 are assigned to 64 places in 9 counties: Sonoma County, Solano County, Humboldt County, Mendocino County, Napa County, Lake County, plus 3 more.
No single place dominates: Santa Rosa, the largest, has 18% of the exchanges.
- Santa Rosa144
- Fairfield56
- Vallejo50
- Napa43
- Petaluma41
- Vacaville37
- Eureka36
- Ukiah22
- Benicia21
- Sonoma16
- St. Helena12
- Lakeport11
- Yountville10
- Windsor10
- Lower Lake10
- Fort Bragg10
- Arcata10
- Sebastopol9
- Dixon8
- Crescent City8
- Willits8
- Healdsburg8
- Garberville6
- Timber Cove6
Phone companies in 707
785 blocks of numbers in 707 are held by 30 phone companies. The most belong to AT&T (224), Inteliquent (96) and AT&T Mobility (67).
A large share, about 42%, belongs to competitive and internet phone carriers; wireless networks hold 26% and local phone and cable companies 33%.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
707 went into service in 1959, added to the area of 415.
369 (since 2023) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
35 new exchanges were assigned since 2021, the latest in July 2026.
Calling 707
It’s 9:12 PM Pacific time in 707 right now.
From elsewhere in the U.S., dial 1, 707 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.
- 628 · San Francisco, CA · about 69 mi
- 415 · San Francisco, CA · about 71 mi
- 916 · Sacramento, CA · about 76 mi
- 530 · Chico, CA · about 77 mi
- 279 · Sacramento, CA · about 77 mi
- 510 · Oakland, CA · about 88 mi
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 707 area code
Map of the 707 area code around Santa Rosa, Fairfield and Vallejo, California.
Cities on the map
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Questions about 707
Where is area code 707?
In California, covering Santa Rosa, Fairfield and Vallejo and other places across 9 counties.
What time zone is 707 in?
Pacific time. It was 9:12 PM there when this page loaded.
Is 707 an overlay?
Yes. 369 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 707 numbers?
30 companies hold blocks; the most belong to AT&T, Inteliquent and AT&T Mobility. About 26% of blocks are wireless.
Is 707 running out of numbers?
Not on record. 35 new exchanges have been assigned since 2021.