337 Area Code — LA
Area code 337 serves LA in the Central time zone, in service since 1999. The FCC has 40 unwanted-call complaints against 39 different 337 numbers on record. Look up the exact number that called you below.
Most-reported 337 numbers
Ranked by FCC unwanted-call complaints. Click a number for its full report.
337 unwanted-call complaints, last 12 months
Monthly FCC complaint volume against 337 numbers. Spikes usually mark an active robocall campaign cycling through the code.
About area code 337
- Serves
- LA
- Time zone
- Central
- In service since
- 1999-10-11
- Overlay
- No
Source: NANPA numbering records, refreshed weekly.
Spam calls from 337? What to know
Seeing repeated missed calls from 337 numbers you don't recognize is the classic signature of neighbor-spoofing robocall campaigns. The caller isn't necessarily in LA — spoofing software displays whatever digits the campaign chooses. Never call unknown numbers back; look them up first, and report unwanted calls to the FCC to build the public record.
Area code 337 FAQs
Where is area code 337?
Area code 337 serves LA, in the Central time zone. It has been in service since 1999.
Why do I keep getting calls from 337 numbers?
Robocallers use "neighbor spoofing" — displaying a number with a local area code to make you more likely to answer. A call showing area code 337 may not originate from LA at all. Look up the full 10-digit number on this site to see its complaint history before calling back.
Are 337 numbers safe to call back?
Area codes themselves are neither safe nor unsafe — 337 contains millions of legitimate lines alongside any spoofed or spam numbers. The FCC has logged 40 unwanted-call complaints against 39 distinct 337 numbers in our current data window. Check the specific number's report page before returning a missed call.