ZIP Code 33957

33957 is one of Florida's ZIP codes, delivering to addresses in Sanibel, Lee County.

City: Sanibel
County: Lee County
State: Florida
Prefix: 339xx

Where this code sits

33957 is part of the 339xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sanibel.

Sanibel Florida ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 33957 delivers to without sharing its boundary.

239 Area code 239

ZIP codes nearest 33957

The ZIP codes whose reference points sit closest to 33957.
ZIP code	Distance	Delivers to
ZIP code 33956	5.4 mi	Saint James City, FL
ZIP code 33924	7.5 mi	Captiva, FL
ZIP code 33914	8.3 mi	Cape Coral, FL
ZIP code 33931	8.5 mi	Fort Myers Beach, FL
ZIP code 33908	11 mi	Fort Myers, FL
ZIP code 33906	11 mi	Fort Myers, FL
ZIP code 33910	11 mi	Cape Coral, FL
ZIP code 33932	11 mi	Fort Myers Beach, 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 33957, plotted from its record coordinates.

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

Scope ZIP code 33957. 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.