ZIP Code 13404

13404 is one of New York's ZIP codes, delivering to addresses in Martinsburg, Lewis County.

City: Martinsburg
County: Lewis County
State: New York
Prefix: 134xx

Where this code sits

13404 is part of the 134xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Martinsburg.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 13404 delivers to without sharing its boundary.

ZIP codes nearest 13404

The ZIP codes whose reference points sit closest to 13404.
ZIP code	Distance	Delivers to
ZIP code 13367	4.5 mi	Lowville, NY
ZIP code 13343	5.1 mi	Glenfield, NY
ZIP code 13473	7.0 mi	Turin, NY
ZIP code 13345	7.7 mi	Greig, NY
ZIP code 13312	9.5 mi	Brantingham, NY
ZIP code 13368	9.6 mi	Lyons Falls, NY
ZIP code 13620	10 mi	Castorland, NY
ZIP code 13305	11 mi	Beaver Falls, NY

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 13404, plotted from its record coordinates.

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

Scope ZIP code 13404. 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.