What area code is 738?
Here's everything about it.
Instant lookup for the 738 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
738 at a glance
Summary
Cities & regions served by 738
Los Angeles (overlay)1 community on record for 738.
Where 738 sits on the map
Overlay of 213, 323Coverage area
About the 738 region
738 covers Los Angeles in California. The code has been in service since 2024.
738 itself is an overlay: it shares its territory with 213 and 323 and was introduced when those codes ran low on new number combinations. New lines may receive either code, calls between them are local, and 10-digit dialing is required across the region.
Overlaid on 213/323.
Who called me from 738?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 738 does not prove the caller is really in the 738 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 738 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 738 number below.
Frequently asked questions
FAQWhat area code is 738?+–
738 is a telephone area code serving Los Angeles in California, United States, in service since 2024.
Where is area code 738 located?+–
It covers Los Angeles in California.
What time zone is 738?+–
738 observes Pacific (PT), which is UTC−8 / −7 DST and follows daylight saving time.
When did area code 738 start?+–
738 entered service in 2024. Its history: overlaid on 213/323.
Why does area code 738 exist?+–
738 is an overlay of 213 and 323: it covers the exact same territory and was introduced when the original code ran low on new number combinations. New lines may receive either code, calls between them are local, and 10-digit dialing applies.
Is 738 a scam area code?+–
Scam and robocall traffic can use any North American code, 738 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 738 number, and report anything suspicious.
Can I get a 738 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 738 number regardless of where you physically live, although in an overlaid region you may be assigned 213 and 323 instead.