Area Code 728

Florida

Area code 728 serves Florida, primarily West Palm Beach, in the Eastern Time (ET) time zone. It is an overlay area code sharing territory with area code 561.

Published: Verified against NANPA and FCC records

Overlay Area Code

This area code shares its geographic footprint with an overlay code, so the same cities are served by two area codes. Because overlays leave existing numbers untouched, this region's relief planning favors adding codes over redrawing boundaries.

The codes serving this same region: area code 561 (West Palm Beach).

In service since: 10-Mar-2023

Learn more about overlay and split area codes →

Demographics & Economics

Total Population
1,569,744
Population Density
727 people/sq mi
above U.S. average (U.S.: 95 people/sq mi)
Median Household Income
$83,581
near U.S. median (U.S.: $80,734)
Poverty Rate
11.3%
near U.S. average (U.S.: 12.5%)
Unemployment Rate
5.5%
near U.S. average (U.S.: 5.2%)
Education Attainment
Bachelor's Degree+
40.4%
above U.S. average (U.S.: 35.7%)
High School or Lower
28.3%

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 income ranking and density ranking.

Time Zone

  • Eastern Time (ET)

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

Eastern Time (ET)
 
 

Prefix Utilization

Geographic Coverage

State

FL

Major Cities

  • West Palm Beach
  • Boca Raton
  • Boynton Beach
  • Delray Beach
  • Wellington
  • Jupiter
  • Palm Beach Gardens
  • Greenacres
  • Lake Worth Beach
  • The Acreage
  • Royal Palm Beach
  • Riviera Beach
  • Parkland
  • Palm Springs
  • Belle Glade
  • Jupiter Farms
  • North Palm Beach
  • Lantana
  • Palm Beach
  • Lake Park
  • Westgate
  • Tequesta
  • Pahokee
  • South Bay

and 36 more cities

Area Code 728 geographic coverage map (light mode)

History

Area code 728 serves as an overlay for the same territory as area code 561. It was introduced in 2023 to provide additional phone number capacity for the region. It shares its territory with area code area code 561.

Demographics

The estimated population served by area code 728 is approximately 1,569,744. The population density is 727 people per square mile, which is higher than the national average of 95. The median household income is $83,581, which is near the national median of $80,734. Approximately 40.4% of adults hold a bachelor's degree or higher, compared to the national rate of 35.7%. This rate is higher than the national average. The poverty rate stands at 11.3%, which is near the national rate of 12.5%.

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 728).

CountyPopulationShare
Palm Beach, FL1,498,57095.5%
Martin, FL71,1744.5%

Area Code 728 Family Tree

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Splits
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Area code 728 was originally assigned in 10-Mar-2023 to serve FL.

Call Context

Regional geographic area

This area code covers a geographic region across FL, including West Palm Beach and surrounding communities.

Nearby Area Codes

Area codes geographically closest to 728.

Other Area Codes in Florida

Area codes that also serve Florida, linked for easy comparison.