Area codes in Yuba City, California
Yuba City, California uses 2 area codes — 530 and 837. The main Yuba City area code is 530.
Area codes serving Yuba City
Phone numbers in Yuba City are written as ten digits — for example (530) 555-0190 — and fall in the Pacific Time zone.
How Yuba City came to have 2 area codes
The original Yuba City area code is 530, in service since 1997. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 837 (2025). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Yuba City now uses all 2 codes and every local call is dialed with ten digits.
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More cities in California
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Frequently asked questions
What is the area code for Yuba City?
The main area code for Yuba City, California is 530. Yuba City is now served by 2 area codes in total: 530, 837.
How many area codes does Yuba City have?
Yuba City has 2 area codes: 530, 837.
Why does Yuba City have more than one area code?
As Yuba City used up the numbers available in its original area code (530, in service since 1997), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Yuba City number?
Dial all 10 digits — the area code (530 or 837) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.