ZIP Code 33051

33051 is one of Florida's ZIP codes, delivering to addresses in Key Colony Beach, Monroe County.

City: Key Colony Beach
County: Monroe County
State: Florida
Prefix: 330xx

Where this code sits

33051 is part of the 330xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Key Colony Beach.

Key Colony Beach Florida ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 33051 delivers to without sharing its boundary.

ZIP codes nearest 33051

The ZIP codes whose reference points sit closest to 33051.
ZIP code	Distance	Delivers to
ZIP code 33050	1.2 mi	Marathon, FL
ZIP code 33052	2.7 mi	Marathon Shores, FL
ZIP code 33001	15 mi	Long Key, FL
ZIP code 33043	22 mi	Big Pine Key, FL
ZIP code 33036	28 mi	Islamorada, FL
ZIP code 33042	31 mi	Summerland Key, FL
ZIP code 33070	37 mi	Tavernier, FL
ZIP code 33034	46 mi	Homestead, FL

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 33051, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 33051. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.