Area Code 457

Louisiana

Area code 457 serves Louisiana, primarily Shreveport, in the Central Time (CT) time zone. It is an overlay area code sharing territory with area code 318.

Overlay Area Code

This area code is part of an overlay region, meaning the same geographic area is served by multiple area codes. Overlay codes were introduced to meet growing demand for phone numbers without requiring existing customers to change their numbers.

This area code shares its geographic region with: area code 318 (Shreveport).

In service since: 25-Sep-2025

Learn more about overlay and split area codes →

Demographics & Economics

Total Population: 1,688,866
Population Density: 43 people/sq mi
below U.S. average (U.S.: 93 people/sq mi)
Median Household Income: $50,067
below U.S. median (U.S.: $75,144)
Poverty Rate: 23.5%
above U.S. average (U.S.: 11.5%)
Unemployment Rate: 6.5%
above U.S. average (U.S.: 3.6%)
Education Attainment: Bachelor's Degree+
20.6%
below U.S. average (U.S.: 33.7%)
High School or Lower
41.1%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the Statistics dashboard.

Time Zone

Central Time (CT)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Central Time (CT)

Prefix Utilization

Geographic Coverage

State

Major Cities

Shreveport
Monroe
Alexandria
Ruston
Natchitoches
Pineville
West Monroe
Claiborne
Minden
Bastrop
Red Chute
Oakdale
Tallulah
Grambling
Marksville
Winnsboro
Swartz
Springhill
Mansfield
Haughton
Jena
Jonesboro
Eastwood
Winnfield

and 177 more cities

Area Code 457 geographic coverage map (light mode)

Demographics

The estimated population served by area code 457 is approximately 1,688,866. The population density is 43 people per square mile, which is lower than the national average of 93. The median household income is $50,067, which is lower than the national median of $75,144. Approximately 20.6% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is lower than the national average. The poverty rate stands at 23.5%, which is higher than the national rate of 11.5%.

History

Area code 457 serves as an overlay for the same territory as area code 318. It was introduced in 2025 to provide additional phone number capacity for the region. It shares its territory with area code area code 318.

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 457).

County	Population	Share
Caddo, LA	239,333	14.2%
Bossier, LA	202,909	12.0%
Ouachita, LA	196,645	11.6%
Rapides, LA	173,969	10.3%
Avoyelles, LA	83,773	5.0%
Grant, LA	59,256	3.5%
Lincoln, LA	59,047	3.5%
Jackson, LA	52,262	3.1%
Winn, LA	50,103	3.0%
Natchitoches, LA	47,882	2.8%
Bienville, LA	46,396	2.7%
Webster, LA	44,301	2.6%
Claiborne, LA	41,519	2.5%
Red River, LA	34,824	2.1%
Union, LA	34,431	2.0%
Franklin, LA	30,287	1.8%
Morehouse, LA	29,900	1.8%
De Soto, LA	29,380	1.7%
Richland, LA	28,045	1.7%
Sabine, LA	27,043	1.6%
LaSalle, LA	25,643	1.5%
Concordia, LA	23,882	1.4%
Catahoula, LA	22,989	1.4%
Madison, LA	16,470	1.0%
Caldwell, LA	13,452	0.8%
Allen, LA	13,389	0.8%
Tensas, LA	12,990	0.8%
Evangeline, LA	12,146	0.7%
Vernon, LA	10,273	0.6%
West Carroll, LA	9,743	0.6%
East Carroll, LA	8,427	0.5%
St. Landry, LA	8,157	0.5%