Area code 561 is a telephone area code in the

North American Numbering Plan The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calling ...

(NANP) for

Palm Beach County Palm Beach County is a county located in the southeastern part of Florida and lies directly north of Broward County and Miami-Dade County. The county had a population of 1,492,191 as of the 2020 census, making it the third-most populous county ...

in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and to ...

. It was created on May 13, 1996, in a split of

area code 407 Area is the quantity that expresses the extent of a region on the plane or on a curved surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while ''surface area'' refers to the area of an open s ...

. The numbering plan area (NPA) comprises nearly every major city in the county, the largest of which being

West Palm Beach West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some R ...

, Boca Raton,

Wellington Wellington ( mi, Te Whanganui-a-Tara or ) is the capital city of New Zealand. It is located at the south-western tip of the North Island, between Cook Strait and the Remutaka Range. Wellington is the second-largest city in New Zealand by metr ...

, Boynton Beach,

Jupiter Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but slightly less than one-thousandth t ...

Delray Beach Delray Beach is a city in Palm Beach County, Florida, United States. The population of Delray Beach as of April 1, 2020 was 66,846 according to the 2020 United States Census. Located 52 miles (83 kilometers) north of Miami, Delray Beach is in the ...

, and Belle Glade. Within only five years of creation, NPA 561 was close to exhaustion again from rapid growth of service demands in the Palm Beaches/

Treasure Coast The Treasure Coast is a region of the U.S. state of Florida. It is located on Florida's East Coast, bordering the Atlantic Ocean and comprising Indian River, Martin, and St. Lucie counties. The region, whose name refers to the Spanish Treasure ...

region and the proliferation of cell phones. In mitigation, the northern part of 561, the Treasure Coast, was split off with

area code 772 Area code 772 is a telephone area code in the North American Numbering Plan (NANP) for the Treasure Coast of the U.S. state of Florida. The numbering plan area (NPA) includes Sebastian, Florida, Sebastian, Fellsmere, Florida, Fellsmere, Vero Beach ...

in 2002. Because of the Palm Beaches' continued growth, 561 is close to exhaustion, resulting in the approval and planning for an all-service

overlay plan Overlay may refer to: Computers * Overlay network, a computer network which is built on top of another network * Hardware overlay, one type of video overlay that uses memory dedicated to the application *Another term for exec, replacing one proce ...

by adding area code 728 to the same numbering plan area, with implementation scheduled for March 10, 2023. Prior to October 2021, area code 561 had telephone numbers assigned for the

central office code The North American Numbering Plan (NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the international calling ...

988. In 2020, ''988'' was designated nationwide as a dialing code for the

National Suicide Prevention Lifeline The 988 Suicide & Crisis Lifeline (formerly known as the National Suicide Prevention Lifeline) is a United States-based suicide prevention network of over 200+ crisis centers that provides 24/7 service via a toll-free hotline with the number 9- ...

, which created a conflict for exchanges that permit

seven-digit dialing Seven-digit dialing is a telephone dialing procedure customary in some territories of the North American Numbering Plan (NANP) for dialing telephone numbers in the same numbering plan area (NPA). NANP telephone numbers consist of ten digits, of wh ...

. This area code was therefore scheduled to transition to

ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telep ...

by October 24, 2021.

References

External links

Florida's Area Code History
{{DEFAULTSORT:Area Code 561

561 __NOTOC__ Year 561 ( DLXI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. The denomination 561 for this year has been used since the early medieval period, when the Anno Domini calendar er ...

1996 establishments in Florida Treasure Coast

See also

References

External links