ZIP Code 33831

33831 is one of Florida's ZIP codes, delivering to addresses in Bartow, Polk County.

City: Bartow
County: Polk County
State: Florida
Prefix: 338xx

Where this code sits

33831 is part of the 338xx range, the group of codes handled by one mail processing centre. Bartow is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Bartow page.

Bartow Florida ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 33831 delivers to without sharing its boundary.

863 Area code 863

ZIP codes nearest 33831

The ZIP codes whose reference points sit closest to 33831.
ZIP code	Distance	Delivers to
ZIP code 33830	1.9 mi	Bartow, FL
ZIP code 33846	4.9 mi	Highland City, FL
ZIP code 33847	5.5 mi	Homeland, FL
ZIP code 33812	6.1 mi	Lakeland, FL
ZIP code 33813	7.4 mi	Lakeland, FL
ZIP code 33839	7.8 mi	Eagle Lake, FL
ZIP code 33880	8.0 mi	Winter Haven, FL
ZIP code 33840	8.7 mi	Eaton Park, 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 33831, plotted from its record coordinates.

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

Scope ZIP code 33831. 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.