ZIP code 21555
Where is ZIP code 21555?
Oldtown, Maryland
Allegany County · Standard ZIP code
ZIP code 21555 belongs to Oldtown, Maryland in Allegany County. 21555 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 227, 240, 301, 304 and 681. About 1,470 people live in the 21555 area, where the median household income is $53,266. The closest ZIP codes are 21504 (Cumberland, 4.6 mi west), 26722 (Green Spring, 5.8 mi south) and 21560 (Spring Gap, 6.1 mi west).
| ZIP code | 21555 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Oldtown |
| State | Maryland (MD) |
| County | Allegany County |
| Time zone | Eastern Time · now |
| Area codes | 227, 240, 301, 304, 681 |
| Coordinates | 39.5846, -78.6044 map |
| 3-digit prefix | 215 |
Population and income in 21555
| Population | 1,470 · lower than 70% of Maryland ZIP codes |
|---|---|
| People per square mile | 15 · lower than 99% of Maryland ZIP codes |
| Median age | 42.6 years · higher than 54% of Maryland ZIP codes |
| Men / women | 53% / 48% |
| Median household income | $53,266 · lower than 96% of Maryland ZIP codes |
| Income per person | $24,708 |
| Below the poverty line | 22% |
| Bachelor’s degree or higher | 12% of adults 25+ |
| Median home value | $197,700 · lower than 92% of Maryland ZIP codes |
| Median rent | $790 a month |
| Housing units | 831 |
| Households | 591 (2.48 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 98.29 sq mi (plus 1.98 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21555. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21555
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21504 | Cumberland, MD | 4.6 mi W | PO Box only |
| 26722 | Green Spring, WV | 5.8 mi S | Standard |
| 21560 | Spring Gap, MD | 6.1 mi W | PO Box only |
| 25431 | Levels, WV | 6.7 mi SE | Standard |
| 21530 | Flintstone, MD | 8.1 mi N | Standard |
| 26767 | Wiley Ford, WV | 9.3 mi W | Standard |
| 21501 | Cumberland, MD | 9.6 mi NW | PO Box only |
| 21503 | Cumberland, MD | 9.6 mi NW | PO Box only |
| 26763 | Springfield, WV | 9.7 mi SW | Standard |
| 26753 | Ridgeley, WV | 9.9 mi W | Standard |
| 25437 | Points, WV | 10 mi S | Standard |
| 25434 | Paw Paw, WV | 10.1 mi SE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21555 or measure the distance to another ZIP code.
How to address mail to 21555
123 MAIN ST
OLDTOWN MD 21555
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (21555-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21555?
- 21555 is a Oldtown, Maryland ZIP code.
- What county is 21555 in?
- ZIP code 21555 is in Allegany County, Maryland.
- What time zone is ZIP code 21555 in?
- 21555 is in the Eastern Time zone (America/New_York).
- What area code is 21555?
- Phone numbers in ZIP code 21555 use area codes 227, 240, 301, 304 and 681.
- What is the population of ZIP code 21555?
- About 1,470 people live in ZIP code 21555, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21555?
- The median household income in 21555 is $53,266 a year, lower than 96% of Maryland ZIP codes.
- What ZIP codes are near 21555?
- The nearest ZIP codes to 21555 are 21504 (Cumberland, 4.6 miles), 26722 (Green Spring, 5.8 miles), 21560 (Spring Gap, 6.1 miles) and 25431 (Levels, 6.7 miles).