ZIP code 03307
Where is ZIP code 03307?
Loudon, New Hampshire
Merrimack County · Standard ZIP code
ZIP code 03307 belongs to Loudon, New Hampshire in Merrimack County. 03307 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 5,724 people live in the 03307 area, where the median household income is $107,226. The closest ZIP codes are 03224 (Canterbury, 5.2 mi northwest), 03258 (Chichester, 5.9 mi southeast) and 03263 (Pittsfield, 7.1 mi east).
| ZIP code | 03307 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Loudon |
| State | New Hampshire (NH) |
| County | Merrimack County |
| Time zone | Eastern Time · now |
| Area code | 603 |
| Coordinates | 43.3193, -71.467 map |
| 3-digit prefix | 033 |
Population and income in 03307
| Population | 5,724 · higher than 70% of New Hampshire ZIP codes |
|---|---|
| People per square mile | 122 · higher than 54% of New Hampshire ZIP codes |
| Median age | 49.4 years · higher than 63% of New Hampshire ZIP codes |
| Men / women | 52% / 49% |
| Median household income | $107,226 · higher than 63% of New Hampshire ZIP codes |
| Income per person | $44,872 |
| Below the poverty line | 4.4% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $365,400 · lower than 53% of New Hampshire ZIP codes |
| Median rent | $1,321 a month |
| Housing units | 2,352 |
| Households | 2,248 (2.54 people on average) |
| Owners / renters | 90% / 10% |
| Land area | 46.96 sq mi (plus 0.6 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 03307. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 03307
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 03224 | Canterbury, NH | 5.2 mi NW | Standard |
| 03258 | Chichester, NH | 5.9 mi SE | Standard |
| 03263 | Pittsfield, NH | 7.1 mi E | Standard |
| 03237 | Gilmanton, NH | 7.3 mi N | Standard |
| 03301 | Concord, NH | 7.6 mi SW | Standard |
| 03305 | Concord, NH | 7.7 mi S | Unique |
| 03218 | Barnstead, NH | 9 mi E | Standard |
| 03234 | Epsom, NH | 9 mi SE | Standard |
| 03220 | Belmont, NH | 9.2 mi N | Standard |
| 03302 | Concord, NH | 9.9 mi W | PO Box only |
| 03303 | Concord, NH | 10 mi W | Standard |
| 03837 | Gilmanton Iron Works, NH | 10.6 mi NE | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 03307 or measure the distance to another ZIP code.
How to address mail to 03307
123 MAIN ST
LOUDON NH 03307
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (03307-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 03307?
- 03307 is a Loudon, New Hampshire ZIP code.
- What county is 03307 in?
- ZIP code 03307 is in Merrimack County, New Hampshire.
- What time zone is ZIP code 03307 in?
- 03307 is in the Eastern Time zone (America/New_York).
- What area code is 03307?
- Phone numbers in ZIP code 03307 use area code 603.
- What is the population of ZIP code 03307?
- About 5,724 people live in ZIP code 03307, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 03307?
- The median household income in 03307 is $107,226 a year, higher than 63% of New Hampshire ZIP codes.
- What ZIP codes are near 03307?
- The nearest ZIP codes to 03307 are 03224 (Canterbury, 5.2 miles), 03258 (Chichester, 5.9 miles), 03263 (Pittsfield, 7.1 miles) and 03237 (Gilmanton, 7.3 miles).