Area codes in Buena Park, California
Buena Park, California uses 2 area codes — 714 and 657. The main Buena Park area code is 714.
Area codes serving Buena Park
Phone numbers in Buena Park are written as ten digits — for example (714) 555-0190 — and fall in the Pacific Time zone.
How Buena Park came to have 2 area codes
The original Buena Park area code is 714, in service since 1951. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 657 (2008). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Buena Park 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 Buena Park?
The main area code for Buena Park, California is 714. Buena Park is now served by 2 area codes in total: 714, 657.
How many area codes does Buena Park have?
Buena Park has 2 area codes: 714, 657.
Why does Buena Park have more than one area code?
As Buena Park used up the numbers available in its original area code (714, in service since 1951), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Buena Park number?
Dial all 10 digits — the area code (714 or 657) 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.