ZIP code 01851
Where is ZIP code 01851?
Lowell, Massachusetts
Middlesex County · Standard ZIP code
ZIP code 01851 belongs to Lowell, Massachusetts in Middlesex County. 01851 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 33,403 people live in the 01851 area, where the median household income is $92,401. The closest ZIP codes are 01853 (Lowell, 0.9 mi east), 01854 (Lowell, 1.2 mi north) and 01852 (Lowell, 1.8 mi east).
| ZIP code | 01851 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Lowell |
| State | Massachusetts (MA) |
| County | Middlesex County |
| Time zone | Eastern Time · now |
| Area codes | 351, 978 |
| Coordinates | 42.6315, -71.3329 map |
| 3-digit prefix | 018 |
Population and income in 01851
| Population | 33,403 · higher than 92% of Massachusetts ZIP codes |
|---|---|
| People per square mile | 10,345 · higher than 91% of Massachusetts ZIP codes |
| Median age | 36.4 years · lower than 84% of Massachusetts ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $92,401 · lower than 68% of Massachusetts ZIP codes |
| Income per person | $37,712 |
| Below the poverty line | 18% |
| Bachelor’s degree or higher | 30% of adults 25+ |
| Median home value | $467,000 · lower than 60% of Massachusetts ZIP codes |
| Median rent | $1,714 a month |
| Housing units | 11,853 |
| Households | 11,421 (2.85 people on average) |
| Owners / renters | 44% / 56% |
| Land area | 3.23 sq mi (plus 0.11 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 01851. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 01851
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 01853 | Lowell, MA | 0.9 mi E | PO Box only |
| 01854 | Lowell, MA | 1.2 mi N | Standard |
| 01852 | Lowell, MA | 1.8 mi E | Standard |
| 01850 | Lowell, MA | 2.2 mi NE | Standard |
| 01863 | North Chelmsford, MA | 3 mi W | Standard |
| 01824 | Chelmsford, MA | 3 mi S | Standard |
| 01826 | Dracut, MA | 3.2 mi N | Standard |
| 01862 | North Billerica, MA | 4.4 mi SE | Standard |
| 01879 | Tyngsboro, MA | 5.1 mi NW | Standard |
| 01876 | Tewksbury, MA | 5.9 mi E | Standard |
| 01822 | Billerica, MA | 6 mi SE | PO Box only |
| 01886 | Westford, MA | 6.3 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 01851 or measure the distance to another ZIP code.
How to address mail to 01851
123 MAIN ST
LOWELL MA 01851
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (01851-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Lowell, MA
All Lowell ZIP codes with population and income →
Questions
- What city is ZIP code 01851?
- 01851 is a Lowell, Massachusetts ZIP code.
- What county is 01851 in?
- ZIP code 01851 is in Middlesex County, Massachusetts.
- What time zone is ZIP code 01851 in?
- 01851 is in the Eastern Time zone (America/New_York).
- What area code is 01851?
- Phone numbers in ZIP code 01851 use area codes 351 and 978.
- What is the population of ZIP code 01851?
- About 33,403 people live in ZIP code 01851, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 01851?
- The median household income in 01851 is $92,401 a year, lower than 68% of Massachusetts ZIP codes.
- What ZIP codes are near 01851?
- The nearest ZIP codes to 01851 are 01853 (Lowell, 0.9 miles), 01854 (Lowell, 1.2 miles), 01852 (Lowell, 1.8 miles) and 01850 (Lowell, 2.2 miles).