ZIP Code 71998

71998 is one of Arkansas's ZIP codes, delivering to addresses in Arkadelphia, Clark County.

City: Arkadelphia
County: Clark County
State: Arkansas
Prefix: 719xx

Where this code sits

71998 is part of the 719xx range, the group of codes handled by one mail processing centre. Arkadelphia is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Arkadelphia page.

Arkadelphia Arkansas ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 71998 delivers to without sharing its boundary.

ZIP codes nearest 71998

The ZIP codes whose reference points sit closest to 71998.
ZIP code	Distance	Delivers to
ZIP code 71999	0.0 mi	Arkadelphia, AR
ZIP code 71923	1.0 mi	Arkadelphia, AR
ZIP code 71942	7.7 mi	Friendship, AR
ZIP code 71728	8.0 mi	Curtis, AR
ZIP code 71941	11 mi	Donaldson, AR
ZIP code 71962	14 mi	Okolona, AR
ZIP code 71929	15 mi	Bismarck, AR
ZIP code 71743	15 mi	Gurdon, 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 71998, plotted from its record coordinates.

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

Scope ZIP code 71998. 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.