Area codes in Tracy, California
Tracy, California uses 2 area codes — 209 and 350. The main Tracy area code is 209.
Area codes serving Tracy
Phone numbers in Tracy are written as ten digits — for example (209) 555-0190 — and fall in the Pacific Time zone.
How Tracy came to have 2 area codes
The original Tracy area code is 209, in service since 1958. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 350 (2022). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Tracy 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 Tracy?
The main area code for Tracy, California is 209. Tracy is now served by 2 area codes in total: 209, 350.
How many area codes does Tracy have?
Tracy has 2 area codes: 209, 350.
Why does Tracy have more than one area code?
As Tracy used up the numbers available in its original area code (209, in service since 1958), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Tracy number?
Dial all 10 digits — the area code (209 or 350) 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.