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New Hampshire area codes

One area code, 603, on Eastern Time.

Calling New Hampshire right now

Calling hours: Every day, 8 AM to 9 PM (the federal rule)

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New Hampshire's area code: 603

603 covers Manchester, Nashua, Concord and Derry. Its page has the local time now, every place it serves, and when you can call.

See 603's cities and calling hours

When can you call New Hampshire numbers?

Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.

What applies in New HampshireEvery day, 8 AM to 9 PM

Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources

New Hampshire area code FAQ

How many area codes does New Hampshire have?

One: 603.

What time zone is the New Hampshire area code in?

Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).

When can you call New Hampshire numbers?

Every day, 8 AM to 9 PM, local time, under the federal rule.

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