Quick Answer
New Hampshire has 1 active area code: 603. All New Hampshire area codes are in the Eastern time zone. Data source: NANPA.
All Area Codes in New Hampshire
| Code | Region | Major Cities | Timezone |
|---|---|---|---|
| 603 | New Hampshire (statewide) | Manchester, Nashua, Concord | Eastern |
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Frequently Asked Questions
How many area codes does New Hampshire have?
New Hampshire has 1 active area code: 603.
What are the area codes in New Hampshire?
The area codes in New Hampshire are: 603 (New Hampshire (statewide)).
What area code is Manchester?
Manchester uses area code 603, located in New Hampshire (statewide), New Hampshire.
What time zone are New Hampshire area codes in?
All area codes in New Hampshire are in the Eastern time zone.
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