ZIP code 03821
Where is ZIP code 03821?
Dover, New Hampshire
Strafford County · PO Box only ZIP code
ZIP code 03821 belongs to Dover, New Hampshire in Strafford County. 03821 is a PO Box only ZIP code: it is used for post office boxes at the Dover post office, not for street addresses. It is in the Eastern Time zone and uses area code 603. The closest ZIP codes are 03822 (Dover, 0 mi north), 03820 (Dover, 0.9 mi southwest) and 03869 (Rollinsford, 2.9 mi northeast).
| ZIP code | 03821 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Dover |
| State | New Hampshire (NH) |
| County | Strafford County |
| Time zone | Eastern Time · now |
| Area code | 603 |
| Coordinates | 43.1979, -70.8737 map |
| 3-digit prefix | 038 |
The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.
ZIP codes near 03821
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 03822 | Dover, NH | 0 mi N | Unique |
| 03820 | Dover, NH | 0.9 mi SW | Standard |
| 03869 | Rollinsford, NH | 2.9 mi NE | Standard |
| 03878 | Somersworth, NH | 3.8 mi N | Standard |
| 03823 | Madbury, NH | 3.8 mi SW | Standard |
| 03908 | South Berwick, ME | 4.9 mi NE | Standard |
| 03824 | Durham, NH | 6 mi SW | Standard |
| 03901 | Berwick, ME | 6.4 mi N | Standard |
| 03903 | Eliot, ME | 6.5 mi SE | Standard |
| 03839 | Rochester, NH | 7.1 mi NW | Standard |
| 03861 | Lee, NH | 8.3 mi SW | Standard |
| 03825 | Barrington, NH | 8.3 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 03821 or measure the distance to another ZIP code.
How to address mail to 03821
PO BOX 123
DOVER NH 03821
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (03821-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Dover, NH
All Dover ZIP codes with population and income →
Questions
- What city is ZIP code 03821?
- 03821 is a Dover, New Hampshire ZIP code.
- What county is 03821 in?
- ZIP code 03821 is in Strafford County, New Hampshire.
- What time zone is ZIP code 03821 in?
- 03821 is in the Eastern Time zone (America/New_York).
- What area code is 03821?
- Phone numbers in ZIP code 03821 use area code 603.
- Can I use 03821 for a street address?
- No. 03821 is only for PO Boxes. Street addresses in Dover use 03820.
- What ZIP codes are near 03821?
- The nearest ZIP codes to 03821 are 03822 (Dover, 0 miles), 03820 (Dover, 0.9 miles), 03869 (Rollinsford, 2.9 miles) and 03878 (Somersworth, 3.8 miles).