ZIP code 21840
Where is ZIP code 21840?
Nanticoke, Maryland
Wicomico County · Standard ZIP code
ZIP code 21840 belongs to Nanticoke, Maryland in Wicomico County. 21840 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 410, 443 and 667. About 576 people live in the 21840 area. The closest ZIP codes are 21814 (Bivalve, 2 mi north), 21865 (Tyaskin, 3.2 mi east) and 21856 (Quantico, 7.8 mi northeast).
| ZIP code | 21840 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Nanticoke |
| State | Maryland (MD) |
| County | Wicomico County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 38.2672, -75.9021 map |
| 3-digit prefix | 218 |
Population and income in 21840
| Population | 576 · lower than 82% of Maryland ZIP codes |
|---|---|
| People per square mile | 109 · lower than 75% of Maryland ZIP codes |
| Median age | 41.9 years · higher than 51% of Maryland ZIP codes |
| Men / women | 47% / 53% |
| Income per person | $64,382 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 18% of adults 25+ |
| Median home value | $9,999 · lower than 100% of Maryland ZIP codes |
| Housing units | 328 |
| Households | 179 (3.22 people on average) |
| Owners / renters | 68% / 32% |
| Land area | 5.27 sq mi (plus 6.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21840. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21840
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21814 | Bivalve, MD | 2 mi N | Standard |
| 21865 | Tyaskin, MD | 3.2 mi E | Standard |
| 21856 | Quantico, MD | 7.8 mi NE | Standard |
| 21821 | Deal Island, MD | 8.3 mi S | Standard |
| 21627 | Crocheron, MD | 8.4 mi W | Standard |
| 21672 | Toddville, MD | 8.6 mi W | Standard |
| 21675 | Wingate, MD | 10.1 mi W | Standard |
| 21810 | Allen, MD | 11.7 mi E | PO Box only |
| 21853 | Princess Anne, MD | 11.8 mi SE | Standard |
| 21890 | Westover, MD | 12.1 mi S | Unique |
| 21626 | Crapo, MD | 12.3 mi W | Standard |
| 21867 | Upper Fairmount, MD | 12.8 mi SE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21840 or measure the distance to another ZIP code.
How to address mail to 21840
123 MAIN ST
NANTICOKE MD 21840
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21840-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21840?
- 21840 is a Nanticoke, Maryland ZIP code.
- What county is 21840 in?
- ZIP code 21840 is in Wicomico County, Maryland.
- What time zone is ZIP code 21840 in?
- 21840 is in the Eastern Time zone (America/New_York).
- What area code is 21840?
- Phone numbers in ZIP code 21840 use area codes 410, 443 and 667.
- What is the population of ZIP code 21840?
- About 576 people live in ZIP code 21840, according to the Census Bureau’s American Community Survey (2020–2024).
- What ZIP codes are near 21840?
- The nearest ZIP codes to 21840 are 21814 (Bivalve, 2 miles), 21865 (Tyaskin, 3.2 miles), 21856 (Quantico, 7.8 miles) and 21821 (Deal Island, 8.3 miles).