ZIP Code 34145

34145 is one of Florida's ZIP codes, delivering to addresses in Marco Island, Collier County.

City: Marco Island
County: Collier County
State: Florida
Prefix: 341xx

Where this code sits

34145 is part of the 341xx range, the group of codes handled by one mail processing centre. Marco Island is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Marco Island page.

Marco Island Florida ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 34145 delivers to without sharing its boundary.

239 Area code 239

ZIP codes nearest 34145

The ZIP codes whose reference points sit closest to 34145.
ZIP code	Distance	Delivers to
ZIP code 34146	1.4 mi	Marco Island, FL
ZIP code 34140	3.3 mi	Goodland, FL
ZIP code 34113	7.3 mi	Naples, FL
ZIP code 34114	8.7 mi	Naples, FL
ZIP code 34112	13 mi	Naples, FL
ZIP code 34102	15 mi	Naples, FL
ZIP code 34104	15 mi	Naples, FL
ZIP code 34101	15 mi	Naples, 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 34145, plotted from its record coordinates.

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

Scope ZIP code 34145. 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.