ZIP code 03230
Where is ZIP code 03230?
Danbury, New Hampshire
Merrimack County · Standard ZIP code
ZIP code 03230 belongs to Danbury, New Hampshire in Merrimack County. 03230 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 code 603. About 1,451 people live in the 03230 area, where the median household income is $71,685. The closest ZIP codes are 03287 (Wilmot, 4.9 mi southwest), 03240 (Grafton, 6.3 mi northwest) and 03231 (East Andover, 7.1 mi southeast).
| ZIP code | 03230 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Danbury |
| State | New Hampshire (NH) |
| County | Merrimack County |
| Time zone | Eastern Time · now |
| Area code | 603 |
| Coordinates | 43.5115, -71.8691 map |
| 3-digit prefix | 032 |
Population and income in 03230
| Population | 1,451 · lower than 70% of New Hampshire ZIP codes |
|---|---|
| People per square mile | 36 · lower than 81% of New Hampshire ZIP codes |
| Median age | 47.4 years · higher than 52% of New Hampshire ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $71,685 · lower than 85% of New Hampshire ZIP codes |
| Income per person | $38,399 |
| Below the poverty line | 12% |
| Bachelor’s degree or higher | 18% of adults 25+ |
| Median home value | $240,700 · lower than 92% of New Hampshire ZIP codes |
| Median rent | $1,281 a month |
| Housing units | 773 |
| Households | 649 (2.24 people on average) |
| Owners / renters | 91% / 9.1% |
| Land area | 40.25 sq mi (plus 0.31 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 03230. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 03230
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 03287 | Wilmot, NH | 4.9 mi SW | Standard |
| 03240 | Grafton, NH | 6.3 mi NW | Standard |
| 03231 | East Andover, NH | 7.1 mi SE | PO Box only |
| 03243 | Hill, NH | 7.1 mi E | Standard |
| 03233 | Elkins, NH | 7.1 mi SW | Standard |
| 03216 | Andover, NH | 7.2 mi SE | Standard |
| 03257 | New London, NH | 8.9 mi SW | Standard |
| 03284 | Springfield, NH | 9 mi W | Standard |
| 03222 | Bristol, NH | 9.1 mi NE | Standard |
| 03260 | North Sutton, NH | 10.6 mi S | PO Box only |
| 03268 | Salisbury, NH | 11 mi SE | Standard |
| 03751 | Georges Mills, NH | 11.4 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 03230 or measure the distance to another ZIP code.
How to address mail to 03230
123 MAIN ST
DANBURY NH 03230
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (03230-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 03230?
- 03230 is a Danbury, New Hampshire ZIP code.
- What county is 03230 in?
- ZIP code 03230 is in Merrimack County, New Hampshire.
- What time zone is ZIP code 03230 in?
- 03230 is in the Eastern Time zone (America/New_York).
- What area code is 03230?
- Phone numbers in ZIP code 03230 use area code 603.
- What is the population of ZIP code 03230?
- About 1,451 people live in ZIP code 03230, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 03230?
- The median household income in 03230 is $71,685 a year, lower than 85% of New Hampshire ZIP codes.
- What ZIP codes are near 03230?
- The nearest ZIP codes to 03230 are 03287 (Wilmot, 4.9 miles), 03240 (Grafton, 6.3 miles), 03231 (East Andover, 7.1 miles) and 03243 (Hill, 7.1 miles).