ZIP code 03810
Where is ZIP code 03810?
Alton Bay, New Hampshire
Belknap County · Standard ZIP code
ZIP code 03810 belongs to Alton Bay, New Hampshire in Belknap County. 03810 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 2,314 people live in the 03810 area, where the median household income is $148,261. The closest ZIP codes are 03809 (Alton, 1.8 mi southeast), 03837 (Gilmanton Iron Works, 5.4 mi southwest) and 03855 (New Durham, 6.1 mi southeast).
| ZIP code | 03810 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Alton Bay |
| State | New Hampshire (NH) |
| County | Belknap County |
| Time zone | Eastern Time · now |
| Area code | 603 |
| Coordinates | 43.4845, -71.2489 map |
| 3-digit prefix | 038 |
Population and income in 03810
| Population | 2,314 · lower than 56% of New Hampshire ZIP codes |
|---|---|
| People per square mile | 98 · lower than 51% of New Hampshire ZIP codes |
| Median age | 57 years · higher than 87% of New Hampshire ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $148,261 · higher than 90% of New Hampshire ZIP codes |
| Income per person | $72,017 |
| Below the poverty line | 2.5% |
| Bachelor’s degree or higher | 43% of adults 25+ |
| Median home value | $569,200 · higher than 90% of New Hampshire ZIP codes |
| Housing units | 2,675 |
| Households | 826 (2.8 people on average) |
| Owners / renters | 99% / 1.5% |
| Land area | 23.58 sq mi (plus 18.64 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 03810. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 03810
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 03809 | Alton, NH | 1.8 mi SE | Standard |
| 03837 | Gilmanton Iron Works, NH | 5.4 mi SW | Standard |
| 03855 | New Durham, NH | 6.1 mi SE | Standard |
| 03896 | Wolfeboro Falls, NH | 7.4 mi N | PO Box only |
| 03894 | Wolfeboro, NH | 8.2 mi N | Standard |
| 03225 | Center Barnstead, NH | 8.8 mi S | Standard |
| 03249 | Gilford, NH | 9 mi NW | Standard |
| 03887 | Union, NH | 9.3 mi E | Standard |
| 03237 | Gilmanton, NH | 9.4 mi SW | Standard |
| 03298 | Tilton, NH | 10.3 mi W | Unique |
| 03299 | Tilton, NH | 10.3 mi W | Unique |
| 03218 | Barnstead, NH | 10.5 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 03810 or measure the distance to another ZIP code.
How to address mail to 03810
123 MAIN ST
ALTON BAY NH 03810
Put the city, the two-letter state code and the ZIP code on the last line. Avoid West Alton: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (03810-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 03810?
- 03810 is a Alton Bay, New Hampshire ZIP code.
- What county is 03810 in?
- ZIP code 03810 is in Belknap County, New Hampshire.
- What time zone is ZIP code 03810 in?
- 03810 is in the Eastern Time zone (America/New_York).
- What area code is 03810?
- Phone numbers in ZIP code 03810 use area code 603.
- What is the population of ZIP code 03810?
- About 2,314 people live in ZIP code 03810, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 03810?
- The median household income in 03810 is $148,261 a year, higher than 90% of New Hampshire ZIP codes.
- What ZIP codes are near 03810?
- The nearest ZIP codes to 03810 are 03809 (Alton, 1.8 miles), 03837 (Gilmanton Iron Works, 5.4 miles), 03855 (New Durham, 6.1 miles) and 03896 (Wolfeboro Falls, 7.4 miles).