ZIP code 03603
Where is ZIP code 03603?
Charlestown, New Hampshire
Sullivan County · Standard ZIP code
ZIP code 03603 belongs to Charlestown, New Hampshire in Sullivan County. 03603 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 603 and 802. About 5,238 people live in the 03603 area, where the median household income is $56,731. The closest ZIP codes are 05156 (Springfield, 4.8 mi northwest), 03601 (Acworth, 6.8 mi southeast) and 05101 (Bellows Falls, 8.1 mi south).
| ZIP code | 03603 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Charlestown |
| State | New Hampshire (NH) |
| County | Sullivan County |
| Time zone | Eastern Time · now |
| Area codes | 603, 802 |
| Coordinates | 43.2573, -72.4064 map |
| 3-digit prefix | 036 |
Population and income in 03603
| Population | 5,238 · higher than 68% of New Hampshire ZIP codes |
|---|---|
| People per square mile | 118 · higher than 53% of New Hampshire ZIP codes |
| Median age | 44.8 years · lower than 61% of New Hampshire ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $56,731 · lower than 96% of New Hampshire ZIP codes |
| Income per person | $32,361 |
| Below the poverty line | 14% |
| Bachelor’s degree or higher | 14% of adults 25+ |
| Median home value | $230,400 · lower than 94% of New Hampshire ZIP codes |
| Median rent | $1,096 a month |
| Housing units | 2,036 |
| Households | 1,726 (3.01 people on average) |
| Owners / renters | 81% / 19% |
| Land area | 44.25 sq mi (plus 2.28 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 03603. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 03603
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 05156 | Springfield, VT | 4.8 mi NW | Standard |
| 03601 | Acworth, NH | 6.8 mi SE | Standard |
| 05101 | Bellows Falls, VT | 8.1 mi S | Standard |
| 03607 | South Acworth, NH | 8.1 mi SE | Standard |
| 03609 | North Walpole, NH | 8.2 mi S | Standard |
| 05150 | North Springfield, VT | 8.3 mi NW | Standard |
| 03743 | Claremont, NH | 8.3 mi NE | Standard |
| 03604 | Drewsville, NH | 9 mi S | PO Box only |
| 05154 | Saxtons River, VT | 9.8 mi SW | Standard |
| 03602 | Alstead, NH | 9.9 mi SE | Standard |
| 05143 | Chester, VT | 10.1 mi W | Standard |
| 05151 | Perkinsville, VT | 10.3 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 03603 or measure the distance to another ZIP code.
How to address mail to 03603
123 MAIN ST
CHARLESTOWN NH 03603
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Unity: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (03603-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 03603?
- 03603 is a Charlestown, New Hampshire ZIP code.
- What county is 03603 in?
- ZIP code 03603 is in Sullivan County, New Hampshire.
- What time zone is ZIP code 03603 in?
- 03603 is in the Eastern Time zone (America/New_York).
- What area code is 03603?
- Phone numbers in ZIP code 03603 use area codes 603 and 802.
- What is the population of ZIP code 03603?
- About 5,238 people live in ZIP code 03603, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 03603?
- The median household income in 03603 is $56,731 a year, lower than 96% of New Hampshire ZIP codes.
- What ZIP codes are near 03603?
- The nearest ZIP codes to 03603 are 05156 (Springfield, 4.8 miles), 03601 (Acworth, 6.8 miles), 05101 (Bellows Falls, 8.1 miles) and 03607 (South Acworth, 8.1 miles).