Charlestown, New Hampshire
Charlestown, New Hampshire, in Sullivan County, has ZIP code 03603 and area code 603.
- ZIP code
- 03603
- Area code
- 603
- County
- Sullivan County
- State
- New Hampshire
- Time zone
- Eastern Time
- Coordinates
- 43.2573, -72.4064
ZIP codes in Charlestown
| ZIP code | Post office | County | Area codes |
|---|---|---|---|
| 03603 | Charlestown | Sullivan County | 603 |
Area code for Charlestown
- Area code 603
In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Time zone
Charlestown is in the Eastern Time zone.
Towns near Charlestown
- Acworth11 km (6.8 mi)
- South Acworth13.1 km (8.1 mi)
- North Walpole13.2 km (8.2 mi)
- Claremont13.4 km (8.3 mi)
- Drewsville14.4 km (8.9 mi)
- Alstead15.9 km (9.9 mi)
- Lempster17.7 km (11 mi)
- Walpole20.1 km (12 mi)
Local numbers in area code 603
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- (603) 857-7705Suncook, NH$59View & buy
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- (603) 857-7742Suncook, NH$59View & buy
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