ZIP Code 23704

23704 is one of Virginia's ZIP codes, delivering to addresses in Portsmouth, Portsmouth city.

City: Portsmouth
Independent city: Portsmouth city
State: Virginia
Prefix: 237xx

Where this code sits

23704 is part of the 237xx range, the group of codes handled by one mail processing centre. Portsmouth is served by 8 ZIP codes in total; the full list, with the independent city each falls in, is on the Portsmouth page.

Portsmouth Virginia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 23704 delivers to without sharing its boundary.

ZIP codes nearest 23704

The ZIP codes whose reference points sit closest to 23704.
ZIP code	Distance	Delivers to
ZIP code 23708	1.0 mi	Portsmouth, VA
ZIP code 23707	1.7 mi	Portsmouth, VA
ZIP code 23702	1.9 mi	Portsmouth, VA
ZIP code 23514	2.0 mi	Norfolk, VA
ZIP code 23510	2.2 mi	Norfolk, VA
ZIP code 23523	2.5 mi	Norfolk, VA
ZIP code 23507	2.5 mi	Norfolk, VA
ZIP code 23517	3.0 mi	Norfolk, 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 23704, plotted from its record coordinates.

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

Scope ZIP code 23704. 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.