In which county is ZIP code 19966 located?

ZIP 19966 is listed under Sussex, DE.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 19966: Millsboro, DE

ZIP: 19966

County: Sussex

Coordinates: 38.65950, -75.24640

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 19966 in Millsboro, DE. We include verified county details for Sussex plus key geographic references used for mapping and logistics.

Primary City	Millsboro
ZIP Code	19966
County	Sussex
State	DE
Latitude / Longitude	38.65950, -75.24640
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 19966 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 19966 is commonly represented around 38.65950, -75.24640. These coordinates help identify the general area within Sussex, DE.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 19966 for mail delivery and general location reference in Sussex, DE.

This ZIP may extend beyond the city core into nearby communities within Sussex.

Related ZIP Codes (Nearby)

Explore other postal codes near Millsboro within DE.

Frequently Asked Questions

What is the primary city for ZIP code 19966?

The primary city for this ZIP code is Millsboro, located in DE.

In which county is 19966 located?

ZIP code 19966 is situated within Sussex, DE.

What are the coordinates for 19966?

The approximate center point is 38.65950 (Latitude) and -75.24640 (Longitude).

Is ZIP code 19966 active?

This page lists ZIP 19966 as Listed based on the latest refresh date shown above.

Does ZIP 19966 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08