ZIP code 01431
Where is ZIP code 01431?
Ashby, Massachusetts
Middlesex County · Standard ZIP code
ZIP code 01431 belongs to Ashby, Massachusetts in Middlesex County. 01431 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 351, 603 and 978. About 3,211 people live in the 01431 area, where the median household income is $115,598. The closest ZIP codes are 01474 (West Townsend, 3.3 mi east), 01430 (Ashburnham, 5.8 mi west) and 03048 (Greenville, 5.8 mi northeast).
| ZIP code | 01431 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Ashby |
| State | Massachusetts (MA) |
| County | Middlesex County |
| Time zone | Eastern Time · now |
| Area codes | 351, 603, 978 |
| Coordinates | 42.6745, -71.8174 map |
| 3-digit prefix | 014 |
Population and income in 01431
| Population | 3,211 · lower than 73% of Massachusetts ZIP codes |
|---|---|
| People per square mile | 136 · lower than 84% of Massachusetts ZIP codes |
| Median age | 50.5 years · higher than 79% of Massachusetts ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $115,598 · higher than 56% of Massachusetts ZIP codes |
| Income per person | $57,840 |
| Below the poverty line | 2.6% |
| Bachelor’s degree or higher | 44% of adults 25+ |
| Median home value | $390,500 · lower than 76% of Massachusetts ZIP codes |
| Median rent | $1,200 a month |
| Housing units | 1,321 |
| Households | 1,261 (2.54 people on average) |
| Owners / renters | 96% / 4.5% |
| Land area | 23.66 sq mi (plus 0.39 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 01431. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 01431
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 01474 | West Townsend, MA | 3.3 mi E | Standard |
| 01430 | Ashburnham, MA | 5.8 mi W | Standard |
| 03048 | Greenville, NH | 5.8 mi NE | Standard |
| 03071 | New Ipswich, NH | 5.9 mi NW | Standard |
| 01420 | Fitchburg, MA | 6.6 mi S | Standard |
| 01469 | Townsend, MA | 6.7 mi E | Standard |
| 01462 | Lunenburg, MA | 7.5 mi SE | Standard |
| 03033 | Brookline, NH | 8.9 mi NE | Standard |
| 01473 | Westminster, MA | 9.9 mi SW | Standard |
| 01441 | Westminster, MA | 10.1 mi SW | Unique |
| 03084 | Temple, NH | 10.2 mi N | Standard |
| 01453 | Leominster, MA | 10.6 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 01431 or measure the distance to another ZIP code.
How to address mail to 01431
123 MAIN ST
ASHBY MA 01431
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (01431-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 01431?
- 01431 is a Ashby, Massachusetts ZIP code.
- What county is 01431 in?
- ZIP code 01431 is in Middlesex County, Massachusetts.
- What time zone is ZIP code 01431 in?
- 01431 is in the Eastern Time zone (America/New_York).
- What area code is 01431?
- Phone numbers in ZIP code 01431 use area codes 351, 603 and 978.
- What is the population of ZIP code 01431?
- About 3,211 people live in ZIP code 01431, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 01431?
- The median household income in 01431 is $115,598 a year, higher than 56% of Massachusetts ZIP codes.
- What ZIP codes are near 01431?
- The nearest ZIP codes to 01431 are 01474 (West Townsend, 3.3 miles), 01430 (Ashburnham, 5.8 miles), 03048 (Greenville, 5.8 miles) and 03071 (New Ipswich, 5.9 miles).