ZIP Code 72845

72845 is one of Arkansas's ZIP codes, delivering to addresses in Knoxville, Johnson County.

City: Knoxville
County: Johnson County
State: Arkansas
Prefix: 728xx

Where this code sits

72845 is part of the 728xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Knoxville.

Knoxville Arkansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 72845 delivers to without sharing its boundary.

479 Area code 479

ZIP codes nearest 72845

The ZIP codes whose reference points sit closest to 72845.
ZIP code	Distance	Delivers to
ZIP code 72846	4.2 mi	Lamar, AR
ZIP code 72847	5.0 mi	London, AR
ZIP code 72851	6.1 mi	New Blaine, AR
ZIP code 72835	6.8 mi	Delaware, AR
ZIP code 72863	10 mi	Scranton, AR
ZIP code 72830	11 mi	Clarksville, AR
ZIP code 72837	13 mi	Dover, AR
ZIP code 72865	14 mi	Subiaco, AR

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 72845, plotted from its record coordinates.

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

Scope ZIP code 72845. 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.