350 Area Code | Location, Map and Time Zone

350 Area Code

State: California
Top City: Stockton
Timezone: Pacific
Current Time:

Where is Area Code 350 located?

Area code 350 is one of the newest area codes in the United States. It was assigned to California on November 28, 2022, as an overlay to area code 209. This means that both area codes cover the same geographic region, and callers need to dial 1 + 10 digits to reach any number in either area code.

209 Area Code
350 Area Code Map / Image: OpenStreetMap

Area code 350 covers parts of northern San Joaquin Valley, Sierra Foothills, and Yosemite National Park.

350 Area Code Time Zone

Area code 350 follows the Pacific Time Zone. TheĀ current Stockton time is .

History of 350 Area Code

Area code 350 was created as a result of the growing demand for phone numbers in California. The original area code for this region was 415, which was established in 1947 as one of the first three area codes in the state. In 1957, area code 415 was split to create area code 209, which covered most of central California. In 1998, area code 209 was split again to create area code 559, which covered the southern portion of the region.

By the early 2020s, area code 209 was projected to run out of available numbers by 2023 due to population growth and the proliferation of cell phones and other devices. To avoid this problem, the California Public Utilities Commission (CPUC) approved the introduction of area code 350 as an overlay to area code 209 on June 24, 2021. The implementation date was set for November 28, 2022, after a six-month permissive dialing period that allowed callers to use either seven or ten digits to complete local calls.

Area code 350 is not the only new area code in California. In recent years, several other new area codes have been introduced or planned to accommodate the increasing demand for phone numbers in the state. These include area codes 279, 341, 442, 510, 628, 657, and more.

Top Counties in Area Code 350

County Population
San Joaquin 782,545
Stanislaus 562,303
Merced 287,420
Tuolumne 54,478
El Dorado 194,590
Calaveras 45,905
Mariposa 17,203
Amador 39,752
Alpine 1,129

Top 10 Cities in Area Code 350

City Population
Stockton 312,697
Modesto 215,030
Merced 83,964
Turlock 73,631
Manteca 79,268
Lodi 67,586
Tracy 94,740
Sonora 4,903
Los Banos 40,074
Yosemite Valley 1,035

Top Telephone Carriers

Landline Wireless
Comcast IP Phone, LLC DISH Wireless, LLC
Teleport Communications America, LLC – CA T-Mobile USA, Inc.
Onvoy, LLC – CA Peerless Network of California, LLC – CA

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