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US area code · California

424 area code

Where the 424 area code is, its overlay and how to dial a +1 424 number from anywhere.

CoversLos Angeles, CaliforniaTime zonePacific (PT)TypeOverlay
Quick answer

The 424 area code is in Los Angeles, California, United States (Pacific (PT)). To call from abroad: +1 424 555-0123. It is an overlay, so all 10 digits are dialled.

StateCalifornia
Main areaLos Angeles
Time zonePacific (PT)
TypeOverlay
10-digit dialingRequired
In service since26-May-1998

The 424 area code is a geographic North American Numbering Plan (NANP) code covering Los Angeles, California. It has been in service since 26-May-1998 and sits in the Pacific (PT) time zone.

Overlay 424 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

424310

How to dial a 424 number

From abroad+1 424 555-0123
Within the US / Canada1 424 555-0123
Locally (same area)424 555-0123

Cities in the 424 area code

A 424 number is usually in one of these places in California — 1 county.

Beverly Hills Los AngelesCulver City Los AngelesGardena Los AngelesHawthorne Los AngelesInglewood Los AngelesLawndale Los AngelesLennoxLomita Los AngelesLynwood Los AngelesManhattan Beach Los AngelesRancho Palos Verdes Los AngelesRedondo Beach Los AngelesSanta Monica Los AngelesTorrance Los AngelesWest Carson

Other California area codes

209213279310323341350357369408415442510530559562

Frequently asked questions

Where is the 424 area code?

The 424 area code is in Los Angeles, California, United States (Pacific (PT)).

Is 424 an overlay area code?

Yes. 424 overlays the same region as 310, so callers dial all 10 digits.

Do I have to dial 10 digits for 424?

Yes — dial the area code plus the seven-digit number.

How do I call a 424 number from another country?

Dial your exit code (or +), then 1, then 424, then the number: +1 424 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 424 number does not pinpoint a street or ZIP code.

Number holders in area code 424

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 475 prefixes are in use in 424, shared by 29 companies. The largest holders:

CompanyPrefixesShare
T-Mobile USA, Inc.7416%
Onvoy, LLC6915%
Bandwidth.Com CLEC, LLC459%
Level 3 Communications, LLC429%
New Cingular Wireless PCS, LLC368%
Fractel, LLC337%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 424 numbers

Reports to the FTC, last 30 days
421
Recorded messages or robocalls
57%
Rank among area codes
#236 of 670
Most reported subjects
Other (159)
Dropped call or no message (94)
Reducing your debt (credit cards, mortgage, student loans) (62)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 424 — cities & rate centres

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