ZIP Code 33583

33583 is one of Florida's ZIP codes, delivering to addresses in Seffner, Hillsborough County.

City: Seffner
County: Hillsborough County
State: Florida
Prefix: 335xx

Where this code sits

33583 is part of the 335xx range, the group of codes handled by one mail processing centre. Seffner is served by 2 ZIP codes in total.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 33583 delivers to without sharing its boundary.

ZIP codes nearest 33583

The ZIP codes whose reference points sit closest to 33583.
ZIP code	Distance	Delivers to
ZIP code 33568	0.0 mi	Riverview, FL
ZIP code 33630	0.0 mi	Tampa, FL
ZIP code 33631	0.0 mi	Tampa, FL
ZIP code 33633	0.0 mi	Tampa, FL
ZIP code 33650	0.0 mi	Tampa, FL
ZIP code 33660	0.0 mi	Tampa, FL
ZIP code 33661	0.0 mi	Tampa, FL
ZIP code 33662	0.0 mi	Tampa, 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 33583, plotted from its record coordinates.

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

Scope ZIP code 33583. 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.