Cities in area code 504
Which places use area code 504? 5 rate centers in Louisiana, the biggest being New Orleans, Kenner, Lafitte. Data below is NANPA's official prefix-to-rate-center mapping.
New Orleans, Kenner, Lafitte, Jesuit Bend and Venice hold the largest prefix inventories. Each locality below links to its rate-center page with the full prefix list.
5 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.
All of the code's territory keeps Central time.
Remember that people keep numbers when they relocate, so a 504 number is a where-it-was-issued fact, not a where-they-are fact.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| New Orleans | 431 | New Orleans-Metairie, LA | 504 |
| Kenner | 100 | New Orleans-Metairie, LA | 504 |
| Lafitte | 13 | New Orleans-Metairie, LA | 504 |
| Jesuit Bend | 9 | New Orleans-Metairie, LA | 504 |
| Venice | 6 | New Orleans-Metairie, LA | 504 |
FAQ
What is the biggest city in area code 504?
New Orleans holds the most active prefixes (431), making it the code's largest numbering locality.
How many places does 504 cover?
5 rate centers in Louisiana hold active 504 prefixes, from New Orleans down to communities with a single prefix.
Does a 504 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.