Area codes in Elk Grove, California
Elk Grove, California uses 2 area codes — 916 and 279. The main Elk Grove area code is 916.
Area codes serving Elk Grove
Phone numbers in Elk Grove are written as ten digits — for example (916) 555-0190 — and fall in the Pacific Time zone.
How Elk Grove came to have 2 area codes
The original Elk Grove area code is 916, in service since 1947. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 279 (2018). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Elk Grove 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 Elk Grove?
The main area code for Elk Grove, California is 916. Elk Grove is now served by 2 area codes in total: 916, 279.
How many area codes does Elk Grove have?
Elk Grove has 2 area codes: 916, 279.
Why does Elk Grove have more than one area code?
As Elk Grove used up the numbers available in its original area code (916, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Elk Grove number?
Dial all 10 digits — the area code (916 or 279) 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.