ZIP Code 23056

23056 is one of Virginia's ZIP codes, delivering to addresses in Foster, Mathews County.

City: Foster
County: Mathews County
State: Virginia
Prefix: 230xx

Where this code sits

23056 is part of the 230xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Foster.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 23056 delivers to without sharing its boundary.

ZIP codes nearest 23056

The ZIP codes whose reference points sit closest to 23056.
ZIP code	Distance	Delivers to
ZIP code 23109	2.0 mi	Mathews, VA
ZIP code 23128	2.3 mi	North, VA
ZIP code 23035	3.0 mi	Cobbs Creek, VA
ZIP code 23025	3.1 mi	Cardinal, VA
ZIP code 23068	3.7 mi	Hallieford, VA
ZIP code 23076	4.5 mi	Hudgins, VA
ZIP code 23021	4.5 mi	Bohannon, VA
ZIP code 23050	5.0 mi	Dutton, VA

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 23056, plotted from its record coordinates.

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

Scope ZIP code 23056. 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.