ZIP Code 33149

33149 is one of Florida's ZIP codes, delivering to addresses in Key Biscayne, Miami-Dade County.

City: Key Biscayne
County: Miami-Dade County
State: Florida
Prefix: 331xx

Where this code sits

33149 is part of the 331xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Key Biscayne.

Key Biscayne Florida ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 33149 delivers to without sharing its boundary.

ZIP codes nearest 33149

The ZIP codes whose reference points sit closest to 33149.
ZIP code	Distance	Delivers to
ZIP code 33109	4.9 mi	Miami Beach, FL
ZIP code 33133	5.0 mi	Miami, FL
ZIP code 33129	5.0 mi	Miami, FL
ZIP code 33131	5.2 mi	Miami, FL
ZIP code 33195	5.8 mi	Miami, FL
ZIP code 33145	5.8 mi	Miami, FL
ZIP code 33130	5.8 mi	Miami, FL
ZIP code 33102	6.0 mi	Miami, 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 33149, plotted from its record coordinates.

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

Scope ZIP code 33149. 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.