ZIP code 03858
Where is ZIP code 03858?
Newton, New Hampshire
Rockingham County · Standard ZIP code
ZIP code 03858 belongs to Newton, New Hampshire in Rockingham County. 03858 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 4,836 people live in the 03858 area, where the median household income is $138,487. The closest ZIP codes are 03859 (Newton Junction, 0.4 mi south), 01860 (Merrimac, 3 mi southeast) and 03848 (Kingston, 3.3 mi north).
| ZIP code | 03858 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Newton |
| State | New Hampshire (NH) |
| County | Rockingham County |
| Time zone | Eastern Time · now |
| Area codes | 351, 603, 978 |
| Coordinates | 42.8678, -71.042 map |
| 3-digit prefix | 038 |
Population and income in 03858
| Population | 4,836 · higher than 66% of New Hampshire ZIP codes |
|---|---|
| People per square mile | 493 · higher than 84% of New Hampshire ZIP codes |
| Median age | 47.8 years · higher than 53% of New Hampshire ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $138,487 · higher than 87% of New Hampshire ZIP codes |
| Income per person | $64,294 |
| Below the poverty line | 7.5% |
| Bachelor’s degree or higher | 38% of adults 25+ |
| Median home value | $459,500 · higher than 76% of New Hampshire ZIP codes |
| Median rent | $1,683 a month |
| Housing units | 1,910 |
| Households | 1,856 (2.61 people on average) |
| Owners / renters | 90% / 9.9% |
| Land area | 9.81 sq mi (plus 0.15 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 03858. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 03858
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 03859 | Newton Junction, NH | 0.4 mi S | PO Box only |
| 01860 | Merrimac, MA | 3 mi SE | Standard |
| 03848 | Kingston, NH | 3.3 mi N | Standard |
| 03865 | Plaistow, NH | 3.4 mi SW | Standard |
| 03827 | East Kingston, NH | 3.9 mi NE | Standard |
| 03826 | East Hampstead, NH | 4.6 mi W | Standard |
| 01913 | Amesbury, MA | 5.4 mi E | Standard |
| 03819 | Danville, NH | 5.5 mi NW | Standard |
| 01830 | Haverhill, MA | 5.9 mi S | Standard |
| 01985 | West Newbury, MA | 6 mi SE | Standard |
| 03811 | Atkinson, NH | 6.4 mi W | Standard |
| 03841 | Hampstead, NH | 6.8 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 03858 or measure the distance to another ZIP code.
How to address mail to 03858
123 MAIN ST
NEWTON NH 03858
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (03858-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 03858?
- 03858 is a Newton, New Hampshire ZIP code.
- What county is 03858 in?
- ZIP code 03858 is in Rockingham County, New Hampshire.
- What time zone is ZIP code 03858 in?
- 03858 is in the Eastern Time zone (America/New_York).
- What area code is 03858?
- Phone numbers in ZIP code 03858 use area codes 351, 603 and 978.
- What is the population of ZIP code 03858?
- About 4,836 people live in ZIP code 03858, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 03858?
- The median household income in 03858 is $138,487 a year, higher than 87% of New Hampshire ZIP codes.
- What ZIP codes are near 03858?
- The nearest ZIP codes to 03858 are 03859 (Newton Junction, 0.4 miles), 01860 (Merrimac, 3 miles), 03848 (Kingston, 3.3 miles) and 03865 (Plaistow, 3.4 miles).