Postal reference / United States
34146Marco Island, Florida
ZIP code 34146 is a United States postal code for Marco Island, Florida. Its county association is Collier County. The map reference point is at 25.9412, -81.7184.
- State / territory
- Florida
- Recorded place name
- Marco Island
- County association
- Collier
- Estimated coordinate
- 25.9412, -81.7184
View on OpenStreetMap - ZIP prefix
- 341 · 30 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Need the last four digits?
ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.
Find ZIP+4Explore Florida
Browse the other 1,472 ZIP codes recorded for Florida, sorted by code with place and county.
Florida directoryOther ZIP codes in Marco Island, FL
Marco Island has 2 ZIP codes in the reference dataset.
- 34145Collier
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 34145 | Marco Island | FL | Collier | 1.4 |
| 34140 | Goodland | FL | Collier | 4.7 |
| 34113 | Naples | FL | Collier | 7.0 |
| 34114 | Naples | FL | Collier | 9.7 |
| 34112 | Naples | FL | Collier | 12.3 |
| 34102 | Naples | FL | Collier | 14.2 |
| 34104 | Naples | FL | Collier | 14.7 |
| 34101 | Naples | FL | Collier | 14.7 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
Verify a mailing address
For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.
Open USPS address lookup