ZIP Code 19940

19940 is one of Delaware's ZIP codes, delivering to addresses in Delmar, Sussex County.

City: Delmar
County: Sussex County
State: Delaware
Prefix: 199xx

Where this code sits

19940 is part of the 199xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Delmar.

Delmar Delaware ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 19940 delivers to without sharing its boundary.

302 Area code 302

ZIP codes nearest 19940

The ZIP codes whose reference points sit closest to 19940.
ZIP code	Distance	Delivers to
ZIP code 21875	2.4 mi	Delmar, MD
ZIP code 19956	5.3 mi	Laurel, DE
ZIP code 21802	6.7 mi	Salisbury, MD
ZIP code 21803	6.7 mi	Salisbury, MD
ZIP code 19931	6.8 mi	Bethel, DE
ZIP code 21801	7.2 mi	Salisbury, MD
ZIP code 21849	8.1 mi	Parsonsburg, MD
ZIP code 21830	8.3 mi	Hebron, MD

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 19940, plotted from its record coordinates.

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

Scope ZIP code 19940. 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.