ZIP Code 23431

23431 is one of Virginia's ZIP codes, delivering to addresses in Smithfield, Isle of Wight County.

City: Smithfield
County: Isle of Wight County
State: Virginia
Prefix: 234xx

Where this code sits

23431 is part of the 234xx range, the group of codes handled by one mail processing centre. Smithfield is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Smithfield page.

Smithfield Virginia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 23431 delivers to without sharing its boundary.

ZIP codes nearest 23431

The ZIP codes whose reference points sit closest to 23431.
ZIP code	Distance	Delivers to
ZIP code 23397	0.0 mi	Isle Of Wight, VA
ZIP code 23487	4.9 mi	Windsor, VA
ZIP code 23430	6.3 mi	Smithfield, VA
ZIP code 23432	7.4 mi	Suffolk, VA
ZIP code 23898	7.8 mi	Zuni, VA
ZIP code 23314	8.9 mi	Carrollton, VA
ZIP code 23304	9.2 mi	Battery Park, VA
ZIP code 23436	9.6 mi	Suffolk, 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 23431, plotted from its record coordinates.

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

Scope ZIP code 23431. 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.