North American Numbers Source-cited · ownership disclosed
Area code
561
In service
United States · since 1996

West Palm Beach

Area code 561 serves Palm Beach County, Florida. It was created on May 13, 1996, in a split of area code 407.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
West Palm Beach
Type
geographic
Status
in service
In service since
1996
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 561 is

Palm Beach County.

Communities served wholly or partly by 561:

West Palm BeachBoca RatonBoynton BeachDelray BeachWellingtonJupiterBelle Glade
B · Relationships

How it relates to other codes

The codes 561 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?

Split from · 1996 407 Orlando Created May 13, 1996 in a split of 407.
Spawned · 2002 772 Port St. Lucie Treasure Coast region split off as 772 in 2002.
Overlay · 2023 728 Palm Beach County (overlay) All-services distributed overlay added March 10, 2023.
What's changing. Overlaid by 728 since March 10, 2023; ten-digit dialing required in Palm Beach County.
C · History

How 561 got here

1996-05-13
Area code 561 created in a split of area code 407.
Source: Wikipedia: Area code 561
2002
Treasure Coast region separated as area code 772.
Source: Wikipedia: Area code 561
2023-03-10
Area code 728 added as an all-services distributed overlay.
Source: Wikipedia: Area code 561
D · Capacity

How full it is

Prefixes assigned
800
Prefixes available
0
Thousands-blocks assigned
4,254

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

Compare 561 with another code →
Sources
Wikipedia ↗
Area code 561
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.