ZIP Code 23405

23405 is one of Virginia's ZIP codes, delivering to addresses in Machipongo, Northampton County.

City: Machipongo
County: Northampton County
State: Virginia
Prefix: 234xx

Where this code sits

23405 is part of the 234xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Machipongo.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 23405 delivers to without sharing its boundary.

ZIP codes nearest 23405

The ZIP codes whose reference points sit closest to 23405.
ZIP code	Distance	Delivers to
ZIP code 23307	3.0 mi	Birdsnest, VA
ZIP code 23347	4.0 mi	Eastville, VA
ZIP code 23354	4.0 mi	Franktown, VA
ZIP code 23408	5.0 mi	Marionville, VA
ZIP code 23413	5.6 mi	Nassawadox, VA
ZIP code 23419	6.6 mi	Oyster, VA
ZIP code 23398	8.0 mi	Jamesville, VA
ZIP code 23350	8.2 mi	Exmore, 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 23405, plotted from its record coordinates.

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

Scope ZIP code 23405. 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.