ZIP code 01432
Where is ZIP code 01432?
Ayer, Massachusetts
Middlesex County · Standard ZIP code
ZIP code 01432 belongs to Ayer, Massachusetts in Middlesex County. 01432 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 and 978. About 8,521 people live in the 01432 area, where the median household income is $101,966. The closest ZIP codes are 01434 (Devens, 2.2 mi southwest), 01470 (Groton, 3.6 mi north) and 01471 (Groton, 3.6 mi north).
| ZIP code | 01432 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Ayer |
| State | Massachusetts (MA) |
| County | Middlesex County |
| Time zone | Eastern Time · now |
| Area codes | 351, 978 |
| Coordinates | 42.5591, -71.5788 map |
| 3-digit prefix | 014 |
Population and income in 01432
| Population | 8,521 · lower than 52% of Massachusetts ZIP codes |
|---|---|
| People per square mile | 1,000 · higher than 56% of Massachusetts ZIP codes |
| Median age | 39 years · lower than 77% of Massachusetts ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $101,966 · lower than 59% of Massachusetts ZIP codes |
| Income per person | $58,087 |
| Below the poverty line | 11% |
| Bachelor’s degree or higher | 42% of adults 25+ |
| Median home value | $463,800 · lower than 61% of Massachusetts ZIP codes |
| Median rent | $1,442 a month |
| Housing units | 3,804 |
| Households | 3,567 (2.31 people on average) |
| Owners / renters | 70% / 31% |
| Land area | 8.52 sq mi (plus 0.49 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 01432. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 01432
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 01434 | Devens, MA | 2.2 mi SW | Standard |
| 01470 | Groton, MA | 3.6 mi N | Unique |
| 01471 | Groton, MA | 3.6 mi N | Unique |
| 01464 | Shirley, MA | 3.7 mi W | Standard |
| 01450 | Groton, MA | 3.8 mi N | Standard |
| 01472 | West Groton, MA | 4 mi NW | PO Box only |
| 01451 | Harvard, MA | 4.2 mi S | Standard |
| 01460 | Littleton, MA | 4.8 mi E | Standard |
| 01467 | Still River, MA | 5.3 mi S | PO Box only |
| 01719 | Boxborough, MA | 5.6 mi SE | Standard |
| 01886 | Westford, MA | 7.3 mi E | Standard |
| 01463 | Pepperell, MA | 7.6 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 01432 or measure the distance to another ZIP code.
How to address mail to 01432
123 MAIN ST
AYER MA 01432
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Devens, Fort Devens and Ft Devens: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (01432-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 01432?
- 01432 is a Ayer, Massachusetts ZIP code.
- What county is 01432 in?
- ZIP code 01432 is in Middlesex County, Massachusetts.
- What time zone is ZIP code 01432 in?
- 01432 is in the Eastern Time zone (America/New_York).
- What area code is 01432?
- Phone numbers in ZIP code 01432 use area codes 351 and 978.
- What is the population of ZIP code 01432?
- About 8,521 people live in ZIP code 01432, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 01432?
- The median household income in 01432 is $101,966 a year, lower than 59% of Massachusetts ZIP codes.
- What ZIP codes are near 01432?
- The nearest ZIP codes to 01432 are 01434 (Devens, 2.2 miles), 01470 (Groton, 3.6 miles), 01471 (Groton, 3.6 miles) and 01464 (Shirley, 3.7 miles).