Area Code 504
Louisiana
Area code 504 serves Louisiana, primarily New Orleans, in the Central Time (CT) time zone. It has served the region since 01-Jan-1947.
Area Code Splits
Parts of this area code’s original geographic region were later assigned new area codes through splits. When a split occurs, some customers in the original area code region are assigned the new area code.
Split into: area code 225 (Baton Rouge), area code 985 (Houma).
History
Area code 504 is one of the original area codes established in 1947 when the North American Numbering Plan (NANP) was created. Over time, area codes area code 225 and area code 985 were split from 504.
Demographics
The estimated population served by area code 504 is approximately 826,879. The population density is 465 people per square mile, which is higher than the national average of 94. The median household income is $57,638, which is lower than the national median of $78,538. Approximately 34.4% of adults hold a bachelor's degree or higher, compared to the national rate of 35.0%. This rate is near the national average. The poverty rate stands at 19.4%, which is higher than the national rate of 12.4%.
Demographics & Economics
- Total Population
- 826,879
- Population Density
- 465 people/sq miabove U.S. average (U.S.: 94 people/sq mi)
- Median Household Income
- $57,638below U.S. median (U.S.: $78,538)
- Poverty Rate
- 19.4%above U.S. average (U.S.: 12.4%)
- Unemployment Rate
- 6.8%above U.S. average (U.S.: 5.2%)
- Education Attainment
- Bachelor's Degree+34.4%near U.S. average (U.S.: 35.0%)High School or Lower29.9%
Statistics are population-weighted aggregations from Census ACS 5-year estimates.See Sources for details.
Geographic Coverage
State
LA
Major Cities
- New Orleans
- Metairie
- Kenner
- Marrero
- Terrytown
- Chalmette
- Harvey
- Gretna
- Estelle
- River Ridge
- Woodmere
- Timberlane
- Belle Chasse
- Waggaman
- Jefferson
- Harahan
- Westwego
- Meraux
- St. Rose
- Elmwood
- Avondale
- Violet
- Arabi
- New Orleans Station
and 14 more cities
Time Zone
- Central Time (CT)
Current Time
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 504).
| County | Population | Share |
|---|---|---|
| Jefferson, LA | 376,199 | 45.5% |
| Orleans, LA | 376,035 | 45.5% |
| St. Bernard, LA | 44,960 | 5.4% |
| Plaquemines, LA | 28,212 | 3.4% |
| St. Charles, LA | 1,473 | 0.2% |
Call Context
This area code covers a metropolitan region in LA with moderate to high population density, centered on New Orleans and surrounding communities.
Nearby Area Codes
Area codes geographically closest to 504.
Other Area Codes in Louisiana
Area codes that also serve Louisiana, linked for easy comparison.
Frequently Asked Questions
Common questions about area code 504 and how phone numbering works.
Phone numbers assigned to area code 504 are tied to where they were originally provisioned — not the caller's current location. This code serving roughly 827k people covers New Orleans in LA, so a number originally set up there will retain the 504 prefix even if the owner moves or uses VoIP. Mobile phones keep their original number when users relocate, and businesses often adopt local area codes to establish a regional presence.
Start by looking up the area code on this site to understand its geographic context — area code 504 is associated with New Orleans in LA. For caller-specific details, use your carrier's caller ID features or check public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register with the National Do Not Call Registry.
While New Orleans is a prominent city in this area code's coverage, the code serves the broader surrounding region as well. Area codes are assigned geographically and typically cover multiple cities, towns, and communities beyond any single anchor city.