ZIP code 01721
Where is ZIP code 01721?
Ashland, Massachusetts
Middlesex County · Standard ZIP code
ZIP code 01721 belongs to Ashland, Massachusetts in Middlesex County. 01721 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 508 and 774. About 18,873 people live in the 01721 area, where the median household income is $127,539. The closest ZIP codes are 01702 (Framingham, 2.3 mi northeast), 01745 (Fayville, 3.6 mi northwest) and 01701 (Framingham, 3.6 mi northeast).
| ZIP code | 01721 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Ashland |
| State | Massachusetts (MA) |
| County | Middlesex County |
| Time zone | Eastern Time · now |
| Area codes | 508, 774 |
| Coordinates | 42.2539, -71.4583 map |
| 3-digit prefix | 017 |
Population and income in 01721
| Population | 18,873 · higher than 75% of Massachusetts ZIP codes |
|---|---|
| People per square mile | 1,530 · higher than 66% of Massachusetts ZIP codes |
| Median age | 42.1 years · lower than 61% of Massachusetts ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $127,539 · higher than 68% of Massachusetts ZIP codes |
| Income per person | $70,893 |
| Below the poverty line | 3.5% |
| Bachelor’s degree or higher | 61% of adults 25+ |
| Median home value | $611,700 · higher than 61% of Massachusetts ZIP codes |
| Median rent | $2,452 a month |
| Housing units | 8,094 |
| Households | 7,643 (2.44 people on average) |
| Owners / renters | 75% / 25% |
| Land area | 12.34 sq mi (plus 0.54 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 01721. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 01721
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 01702 | Framingham, MA | 2.3 mi NE | Standard |
| 01745 | Fayville, MA | 3.6 mi NW | Standard |
| 01701 | Framingham, MA | 3.6 mi NE | Standard |
| 01746 | Holliston, MA | 3.7 mi S | Standard |
| 01770 | Sherborn, MA | 4.3 mi E | Standard |
| 01748 | Hopkinton, MA | 4.4 mi SW | Standard |
| 01772 | Southborough, MA | 4.7 mi NW | Standard |
| 01784 | Woodville, MA | 5.4 mi W | PO Box only |
| 01760 | Natick, MA | 5.7 mi NE | Standard |
| 02053 | Medway, MA | 7.3 mi S | Standard |
| 02054 | Millis, MA | 7.8 mi SE | Standard |
| 01757 | Milford, MA | 7.9 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 01721 or measure the distance to another ZIP code.
How to address mail to 01721
123 MAIN ST
ASHLAND MA 01721
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (01721-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 01721?
- 01721 is a Ashland, Massachusetts ZIP code.
- What county is 01721 in?
- ZIP code 01721 is in Middlesex County, Massachusetts.
- What time zone is ZIP code 01721 in?
- 01721 is in the Eastern Time zone (America/New_York).
- What area code is 01721?
- Phone numbers in ZIP code 01721 use area codes 508 and 774.
- What is the population of ZIP code 01721?
- About 18,873 people live in ZIP code 01721, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 01721?
- The median household income in 01721 is $127,539 a year, higher than 68% of Massachusetts ZIP codes.
- What ZIP codes are near 01721?
- The nearest ZIP codes to 01721 are 01702 (Framingham, 2.3 miles), 01745 (Fayville, 3.6 miles), 01701 (Framingham, 3.6 miles) and 01746 (Holliston, 3.7 miles).