504 Area Code — LA
Area code 504 serves LA in the Central time zone, in service since 1947. The FCC has 102 unwanted-call complaints against 100 different 504 numbers on record. Look up the exact number that called you below.
Most-reported 504 numbers
Ranked by FCC unwanted-call complaints. Click a number for its full report.
504 unwanted-call complaints, last 12 months
Monthly FCC complaint volume against 504 numbers. Spikes usually mark an active robocall campaign cycling through the code.
About area code 504
- Serves
- LA
- Time zone
- Central
- In service since
- 1947-01-01
- Overlay
- No
Source: NANPA numbering records, refreshed weekly.
Spam calls from 504? What to know
Seeing repeated missed calls from 504 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 504 FAQs
Where is area code 504?
Area code 504 serves LA, in the Central time zone. It has been in service since 1947.
Why do I keep getting calls from 504 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 504 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 504 numbers safe to call back?
Area codes themselves are neither safe nor unsafe — 504 contains millions of legitimate lines alongside any spoofed or spam numbers. The FCC has logged 102 unwanted-call complaints against 100 distinct 504 numbers in our current data window. Check the specific number's report page before returning a missed call.