Zip Area Code

Duck Key, Florida

No ZIP code carries the name of Duck Key, Florida, in Monroe County; the nearest ZIP code is 33050, in area code 305, with overlays 645 and 786.

Nearest ZIP
33050
Area codes
305, 645, 786
State
Florida
Time zone
Eastern Time
Coordinates
24.7728, -80.9095

Nearest ZIP codes to Duck Key

This is the ZIP code nearest to Duck Key, each listed with the post office it is named after.

ZIP codePost officeCountyArea codes
33050MarathonMonroe County305, 645, 786

Area codes for Duck Key

  • Area code 305

    In service since 1947. Shares its area with 645 and 786. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 645

    In service since August 4, 2023. Shares its area with 305 and 786. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

  • Area code 786

    In service since March 1, 1998. Shares its area with 305 and 645. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Duck Key is in the Eastern Time zone.

Towns near Duck Key