424 area code — Beverly Hills, CA geographic

Data: NANPA public reports, current as of July 28, 2026.

424 is the area code for Beverly Hills, California, in service since August 26, 2006, Pacific time. Together with 310 it forms the 310/424 overlay. Because of number portability and VoIP, the area code tells you where the number was issued, not where the caller is right now.

NANPA lists 444 active NXX prefixes in 424, assigned to 27 carriers. 442 of those prefixes are pooled — shared between carriers in thousands-number blocks. The code spans 16 rate centers (billing localities).

If a 424 call asks for money or personal data, treat the displayed number as unverified: hang up and reach the organization through its published number. Numbering data locates numbers, not callers.

The dialing plan is 1+10D for home-NPA local calls and 1+10D across codes.

Official projections put exhaust for the 310/424 complex at 1Q 2043.

Its parent code is 310, which it left in 2006.

Largest localities in 424

FAQ

Will 424 run out of numbers?

NANPA's current forecast projects exhaust in 1Q 2043 — decades of capacity remain.

Why am I getting spam calls from 424 numbers?

Scammers spoof recognizable area codes so calls look local or familiar. A displayed 424 number does not prove the call originated there — see our guide to spotting spoofed calls.

Where is a 424 number from?

424 is assigned to Beverly Hills and surrounding areas of California in the Pacific time zone. The three digits after the area code (the prefix) narrow it down to a rate center.

Is 424 a toll-free number?

No. 424 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.

Why do 310 and 424 cover the same place?

They are overlays: when a code runs low on numbers, a new code is added over the same territory instead of splitting it. The 310/424 complex shares one service area, and local calls are dialed with 10 digits.