North American Numbers Source-cited · ownership disclosed
Area code
728
In service
United States · since 2023

Palm Beach County (overlay)

Area code 728 is an all-services overlay of 561 serving Palm Beach County, Florida (NOT the Tampa/813 region). It became active on March 10, 2023.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Palm Beach County (overlay)
Type
geographic
Status
in service
In service since
2023
Projected exhaust
2051 Q3

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 728 is

Palm Beach County (Southeast Florida).

Communities served wholly or partly by 728:

West Palm BeachBoca RatonBoynton BeachDelray BeachJupiterWellington

Same footprint as 561.

B · Relationships

How it relates to other codes

The codes 728 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Overlay · 2023 561 West Palm Beach All-services distributed overlay of 561; in service March 10, 2023.
What's changing. Active all-services overlay of 561 in Palm Beach County since March 10, 2023; ten-digit dialing required. Does NOT overlay 813/Tampa.
C · History

How 728 got here

2022-01-04
Florida PSC approved the all-services overlay of the 561 region.
Source: Florida PSC / Wikipedia
2023-03-10
Area code 728 became active as an overlay of 561 in Palm Beach County.
Source: Wikipedia: Area codes 561 and 728
D · Capacity

How full it is

Prefixes assigned
81
Prefixes available
719
Thousands-blocks assigned
640

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 728 with another code →
Sources
Wikipedia ↗
Area codes 561 and 728
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.