ZIP Code 57714

57714 is one of South Dakota's ZIP codes, delivering to addresses in Allen, Bennett County.

City: Allen
County: Bennett County
State: South Dakota
Prefix: 577xx

Where this code sits

57714 is part of the 577xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Allen.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 57714 delivers to without sharing its boundary.

605 Area code 605

ZIP codes nearest 57714

The ZIP codes whose reference points sit closest to 57714.
ZIP code	Distance	Delivers to
ZIP code 57551	13 mi	Martin, SD
ZIP code 57752	15 mi	Kyle, SD
ZIP code 57716	19 mi	Batesland, SD
ZIP code 57772	20 mi	Porcupine, SD
ZIP code 57577	21 mi	Wanblee, SD
ZIP code 57794	24 mi	Wounded Knee, SD
ZIP code 57574	26 mi	Tuthill, SD
ZIP code 57756	27 mi	Manderson, SD

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 57714, plotted from its record coordinates.

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

Scope ZIP code 57714. 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.