Antioch, California Area Codes


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   To call Antioch, California (United States)
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Exit Code + 1 + (510 or 925) + The Number
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Antioch, California Information

World Time Zones The Antioch area code is 510 or 925
World Time Zones The current time in Antioch, California is 22:07PM (10:07PM)
City Information  Antioch, California is located in Contra Costa county.
Daylight Savings Time  Antioch, California observes Daylight Savings Time.

Antioch zip codes Antioch zip codes:

94509, 94531

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