Grantham, New Hampshire
Grantham, New Hampshire, in Sullivan County, has ZIP code 03753 and area code 603.
- ZIP code
- 03753
- Area code
- 603
- County
- Sullivan County
- State
- New Hampshire
- Time zone
- Eastern Time
- Coordinates
- 43.5103, -72.1334
ZIP codes in Grantham
| ZIP code | Post office | County | Area codes |
|---|---|---|---|
| 03753 | Grantham | Sullivan County | 603 |
Area code for Grantham
- Area code 603
In service since 1947. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Time zone
Grantham is in the Eastern Time zone.
Towns near Grantham
- Springfield7.2 km (4.5 mi)
- Enfield Center8.6 km (5.3 mi)
- Georges Mills10.2 km (6.3 mi)
- Meriden11.7 km (7.3 mi)
- Cornish Flat11.9 km (7.4 mi)
- Plainfield12 km (7.5 mi)
- Enfield12.8 km (8.0 mi)
- Sunapee14.1 km (8.8 mi)
Local numbers in area code 603
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- (603) 857-7705Suncook, NH$59View & buy
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- (603) 857-7715Suncook, NH$59View & buy
- (603) 857-7718Suncook, NH$59View & buy
- (603) 857-7726Suncook, NHAlso spells SPAN, SPA, SAM$59View & buy
- (603) 857-7730Suncook, NH$59View & buy
- (603) 857-7732Suncook, NHAlso spells SPEC, SEC, SEA$59View & buy
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- (603) 857-7738Suncook, NHAlso spells SET, PET$59View & buy
- (603) 857-7742Suncook, NH$59View & buy
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