ZIP code 19966
Where is ZIP code 19966?
Millsboro, Delaware
Sussex County · Standard ZIP code
ZIP code 19966 belongs to Millsboro, Delaware in Sussex County. 19966 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 302, 410, 443 and 667. About 35,884 people live in the 19966 area, where the median household income is $78,305. The closest ZIP codes are 19951 (Harbeson, 1.5 mi northeast), 19958 (Lewes, 6.7 mi northeast) and 19969 (Nassau, 7.1 mi northeast).
| ZIP code | 19966 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Millsboro |
| Also accepted | Long Neck |
| State | Delaware (DE) |
| County | Sussex County |
| Time zone | Eastern Time · now |
| Area codes | 302, 410, 443, 667 |
| Coordinates | 38.6595, -75.2464 map |
| 3-digit prefix | 199 |
Population and income in 19966
| Population | 35,884 · higher than 85% of Delaware ZIP codes |
|---|---|
| People per square mile | 403 · lower than 56% of Delaware ZIP codes |
| Median age | 53.9 years · higher than 76% of Delaware ZIP codes |
| Men / women | 45% / 55% |
| Median household income | $78,305 · lower than 59% of Delaware ZIP codes |
| Income per person | $42,477 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 26% of adults 25+ |
| Median home value | $317,500 · lower than 54% of Delaware ZIP codes |
| Median rent | $1,325 a month |
| Housing units | 19,893 |
| Households | 15,435 (2.31 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 89.08 sq mi (plus 8.24 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 19966. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 19966
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 19951 | Harbeson, DE | 1.5 mi NE | Standard |
| 19958 | Lewes, DE | 6.7 mi NE | Standard |
| 19969 | Nassau, DE | 7.1 mi NE | PO Box only |
| 19939 | Dagsboro, DE | 7.2 mi S | Standard |
| 19968 | Milton, DE | 8 mi N | Standard |
| 19947 | Georgetown, DE | 8 mi W | Standard |
| 19967 | Millville, DE | 10.1 mi SE | Standard |
| 19945 | Frankford, DE | 10.1 mi S | Standard |
| 19971 | Rehoboth Beach, DE | 10.1 mi NE | Standard |
| 19970 | Ocean View, DE | 10.5 mi SE | Standard |
| 19930 | Bethany Beach, DE | 13.1 mi SE | Standard |
| 19941 | Ellendale, DE | 13.3 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 19966 or measure the distance to another ZIP code.
How to address mail to 19966
123 MAIN ST
MILLSBORO DE 19966
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts LONG NECK as the city name for 19966. Adding the 4-digit ZIP+4 code (19966-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 19966?
- 19966 is a Millsboro, Delaware ZIP code. Long Neck is also accepted as the city name.
- What county is 19966 in?
- ZIP code 19966 is in Sussex County, Delaware.
- What time zone is ZIP code 19966 in?
- 19966 is in the Eastern Time zone (America/New_York).
- What area code is 19966?
- Phone numbers in ZIP code 19966 use area codes 302, 410, 443 and 667.
- What is the population of ZIP code 19966?
- About 35,884 people live in ZIP code 19966, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 19966?
- The median household income in 19966 is $78,305 a year, lower than 59% of Delaware ZIP codes.
- What ZIP codes are near 19966?
- The nearest ZIP codes to 19966 are 19951 (Harbeson, 1.5 miles), 19958 (Lewes, 6.7 miles), 19969 (Nassau, 7.1 miles) and 19939 (Dagsboro, 7.2 miles).