Area codes in Clovis, California
Clovis, California uses 2 area codes — 559 and 357. The main Clovis area code is 559.
Area codes serving Clovis
Phone numbers in Clovis are written as ten digits — for example (559) 555-0190 — and fall in the Pacific Time zone.
How Clovis came to have 2 area codes
The original Clovis area code is 559, in service since 1998. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 357 (2025). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Clovis now uses all 2 codes and every local call is dialed with ten digits.
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Frequently asked questions
What is the area code for Clovis?
The main area code for Clovis, California is 559. Clovis is now served by 2 area codes in total: 559, 357.
How many area codes does Clovis have?
Clovis has 2 area codes: 559, 357.
Why does Clovis have more than one area code?
As Clovis used up the numbers available in its original area code (559, in service since 1998), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Clovis number?
Dial all 10 digits — the area code (559 or 357) 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.