ZIP code 21866
Where is ZIP code 21866?
Tylerton, Maryland
Somerset County · PO Box only ZIP code
ZIP code 21866 belongs to Tylerton, Maryland in Somerset County. 21866 is a PO Box only ZIP code: it is used for post office boxes at the Tylerton post office, not for street addresses. It is in the Eastern Time zone and uses area codes 410, 443 and 667. About 81 people live in the 21866 area, where the median household income is $95,250. The closest ZIP codes are 21824 (Ewell, 2 mi north), 21817 (Crisfield, 9.9 mi east) and 23440 (Tangier, 10 mi south).
| ZIP code | 21866 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Tylerton |
| State | Maryland (MD) |
| County | Somerset County |
| Time zone | Eastern Time · now |
| Area codes | 410, 443, 667 |
| Coordinates | 37.9666, -76.0235 map |
| 3-digit prefix | 218 |
Population and income in 21866
| Population | 81 · lower than 96% of Maryland ZIP codes |
|---|---|
| People per square mile | 659 · higher than 59% of Maryland ZIP codes |
| Median age | 60.6 years · higher than 94% of Maryland ZIP codes |
| Men / women | 64% / 36% |
| Median household income | $95,250 · lower than 57% of Maryland ZIP codes |
| Income per person | $58,337 |
| Below the poverty line | 19% |
| Bachelor’s degree or higher | 4.9% of adults 25+ |
| Median home value | $177,500 · lower than 95% of Maryland ZIP codes |
| Housing units | 73 |
| Households | 53 (1.53 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 0.12 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21866. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21866
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21824 | Ewell, MD | 2 mi N | Standard |
| 21817 | Crisfield, MD | 9.9 mi E | Standard |
| 23440 | Tangier, VA | 10 mi S | PO Box only |
| 21890 | Westover, MD | 11.4 mi NE | Unique |
| 21821 | Deal Island, MD | 13.5 mi N | Standard |
| 22530 | Ophelia, VA | 15.2 mi W | PO Box only |
| 21867 | Upper Fairmount, MD | 15.8 mi NE | PO Box only |
| 22539 | Reedville, VA | 16 mi SW | Standard |
| 23427 | Saxis, VA | 16.7 mi E | PO Box only |
| 21838 | Marion Station, MD | 16.7 mi E | Standard |
| 21836 | Manokin, MD | 17.8 mi NE | PO Box only |
| 21871 | Westover, MD | 18 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21866 or measure the distance to another ZIP code.
How to address mail to 21866
PO BOX 123
TYLERTON MD 21866
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21866-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21866?
- 21866 is a Tylerton, Maryland ZIP code.
- What county is 21866 in?
- ZIP code 21866 is in Somerset County, Maryland.
- What time zone is ZIP code 21866 in?
- 21866 is in the Eastern Time zone (America/New_York).
- What area code is 21866?
- Phone numbers in ZIP code 21866 use area codes 410, 443 and 667.
- What is the population of ZIP code 21866?
- About 81 people live in ZIP code 21866, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21866?
- The median household income in 21866 is $95,250 a year, lower than 57% of Maryland ZIP codes.
- Can I use 21866 for a street address?
- No. 21866 is only for PO Boxes. Street addresses in Tylerton use another ZIP code.
- What ZIP codes are near 21866?
- The nearest ZIP codes to 21866 are 21824 (Ewell, 2 miles), 21817 (Crisfield, 9.9 miles), 23440 (Tangier, 10 miles) and 21890 (Westover, 11.4 miles).