Area codes in Redondo Beach, California

Redondo Beach, California uses 2 area codes — 310 and 424. The main Redondo Beach area code is 310.

Area codes serving Redondo Beach

Phone numbers in Redondo Beach are written as ten digits — for example (310) 555-0190 — and fall in the Pacific Time zone.

How Redondo Beach came to have 2 area codes

The original Redondo Beach area code is 310, in service since 1991. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 424 (2006). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Redondo Beach now uses all 2 codes and every local call is dialed with ten digits.

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Nearby cities

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Frequently asked questions

What is the area code for Redondo Beach?

The main area code for Redondo Beach, California is 310. Redondo Beach is now served by 2 area codes in total: 310, 424.

How many area codes does Redondo Beach have?

Redondo Beach has 2 area codes: 310, 424.

Why does Redondo Beach have more than one area code?

As Redondo Beach used up the numbers available in its original area code (310, in service since 1991), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.

How do you dial a Redondo Beach number?

Dial all 10 digits — the area code (310 or 424) 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.