Caller ID for
Area code 350
Area code 350 Stockton, California
Area code 350 is one of the newer area codes, added in 2022 to California, with numbers assigned in Stockton, Modesto, Atwater and 34 more places. It’s 9:13 PM there now.
- State
- California41 area codes in California
- Time zone
- Pacific9:13 PM there now
- Exchanges
- 8837 places
- Overlay
- 209Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 350 is
Numbers in 350 are assigned to 37 places in 9 counties: San Joaquin County, Stanislaus County, Merced County, Calaveras County, Tuolumne County, Amador County, plus 3 more.
No single place dominates: Stockton, the largest, has 13% of the exchanges.
- Stockton11
- Modesto10
- Atwater7
- Manteca5
- Lodi4
- Turlock4
- Tracy4
- Dos Palos2
- Valley Springs2
- Snelling2
- Merced2
- Los Banos2
- Jackson2
- Galt2
- Oakdale2
- Waterford2
- Wallace1
- Thornton1
- Planada1
- Knights Ferry1
- Tuolumne City1
- Sutter1
- Linden1
- Hughson1
Phone companies in 350
88 blocks of numbers in 350 are held by 17 phone companies. The most belong to Inteliquent (20), Charter (Spectrum) (17) and AT&T Mobility (12).
A large share, about 51%, belongs to competitive and internet phone carriers; wireless networks hold 27% and local phone and cable companies 22%.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
350 went into service in 2022, added to the area of 209.
209 (since 1958) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
86 new exchanges were assigned since 2021, the latest in September 2026.
Calling 350
It’s 9:13 PM Pacific time in 350 right now.
From elsewhere in the U.S., dial 1, 350 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.
- 341 · Oakland, CA · about 39 mi
- 925 · Walnut, CA · about 39 mi
- 510 · Oakland, CA · about 53 mi
- 408 · San Jose, CA · about 59 mi
- 669 · San Jose, CA · about 60 mi
- 279 · Sacramento, CA · about 64 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.
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Questions about 350
Where is area code 350?
In California, covering Stockton, Modesto and Atwater and other places across 9 counties.
What time zone is 350 in?
Pacific time. It was 9:13 PM there when this page loaded.
Is 350 an overlay?
Yes. 209 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 350 numbers?
17 companies hold blocks; the most belong to Inteliquent, Charter (Spectrum) and AT&T Mobility. About 27% of blocks are wireless.
Is 350 running out of numbers?
Not on record. 86 new exchanges have been assigned since 2021.