ZIP code 03809
Where is ZIP code 03809?
Alton, New Hampshire
Belknap County · Standard ZIP code
ZIP code 03809 belongs to Alton, New Hampshire in Belknap County. 03809 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 3,680 people live in the 03809 area, where the median household income is $106,397. The closest ZIP codes are 03810 (Alton Bay, 1.8 mi northwest), 03855 (New Durham, 4.7 mi east) and 03837 (Gilmanton Iron Works, 4.9 mi southwest).
| ZIP code | 03809 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Alton |
| State | New Hampshire (NH) |
| County | Belknap County |
| Time zone | Eastern Time · now |
| Area code | 603 |
| Coordinates | 43.463, -71.2297 map |
| 3-digit prefix | 038 |
Population and income in 03809
| Population | 3,680 · higher than 57% of New Hampshire ZIP codes |
|---|---|
| People per square mile | 92 · lower than 53% of New Hampshire ZIP codes |
| Median age | 51.1 years · higher than 71% of New Hampshire ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $106,397 · higher than 60% of New Hampshire ZIP codes |
| Income per person | $44,902 |
| Below the poverty line | 5.1% |
| Bachelor’s degree or higher | 31% of adults 25+ |
| Median home value | $387,500 · higher than 53% of New Hampshire ZIP codes |
| Housing units | 1,939 |
| Households | 1,427 (2.58 people on average) |
| Owners / renters | 91% / 9.1% |
| Land area | 40.08 sq mi (plus 0.84 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 03809. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 03809
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 03810 | Alton Bay, NH | 1.8 mi NW | Standard |
| 03855 | New Durham, NH | 4.7 mi E | Standard |
| 03837 | Gilmanton Iron Works, NH | 4.9 mi SW | Standard |
| 03225 | Center Barnstead, NH | 7.4 mi S | Standard |
| 03887 | Union, NH | 8.5 mi E | Standard |
| 03896 | Wolfeboro Falls, NH | 8.7 mi N | PO Box only |
| 03894 | Wolfeboro, NH | 9.3 mi N | Standard |
| 03218 | Barnstead, NH | 9.3 mi S | Standard |
| 03237 | Gilmanton, NH | 9.7 mi W | Standard |
| 03835 | Farmington, NH | 9.8 mi SE | Standard |
| 03249 | Gilford, NH | 10.6 mi NW | Standard |
| 03851 | Milton, NH | 11.3 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 03809 or measure the distance to another ZIP code.
How to address mail to 03809
123 MAIN ST
ALTON NH 03809
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (03809-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 03809?
- 03809 is a Alton, New Hampshire ZIP code.
- What county is 03809 in?
- ZIP code 03809 is in Belknap County, New Hampshire.
- What time zone is ZIP code 03809 in?
- 03809 is in the Eastern Time zone (America/New_York).
- What area code is 03809?
- Phone numbers in ZIP code 03809 use area code 603.
- What is the population of ZIP code 03809?
- About 3,680 people live in ZIP code 03809, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 03809?
- The median household income in 03809 is $106,397 a year, higher than 60% of New Hampshire ZIP codes.
- What ZIP codes are near 03809?
- The nearest ZIP codes to 03809 are 03810 (Alton Bay, 1.8 miles), 03855 (New Durham, 4.7 miles), 03837 (Gilmanton Iron Works, 4.9 miles) and 03225 (Center Barnstead, 7.4 miles).