🇺🇸USA State Guide: New Hampshire

New Hampshire
Area Code
603

Connecting to the Granite State? Reach Manchester, Nashua, or the White Mountains instantly. One state, one code (603). Crystal clear VoIP calls directly from your browser.

Dialing Rules
Calling United StatesVoIP Active
🇺🇸

How to Call New Hampshire

New Hampshire follows standard US dialing procedures.

1

Exit Code

If calling from abroad, dial your country's exit code (e.g., 00 for Europe).

2

US Code (+1)

Dial +1. This is the country code for the USA.

3

Area Code (603)

Dial 603 followed by the 7-digit number.

The Single Code State

New Hampshire is one of the few states with a single area code: 603. However, you must still dial the full 10 digits (603 + Number) for all calls.

New Hampshire City Codes

All cities use the 603 area code.

CityCountyArea Code
ManchesterHillsborough603
NashuaHillsborough603
ConcordMerrimack603
DoverStrafford603
RochesterStrafford603
CityCountyArea Code
KeeneCheshire603
PortsmouthRockingham603
LaconiaBelknap603
LebanonGrafton603
BerlinCoos603

Call New Hampshire for
Pennies per Minute

Whether it's business in Manchester or family in Nashua, StartACall connects you to New Hampshire landlines and mobiles using high-quality VoIP technology.

  • Instant connection to Manchester & Nashua
  • Works on any browser (Chrome, Safari, Edge)
  • No hidden connection fees
  • Crystal clear audio quality

Local Presence

Call like a local with direct routing to NH exchanges.

Time Zones

New Hampshire is in the Eastern Time Zone (ET).

Secure

TLS encryption for all calls.

Fast

Connect in seconds via WebRTC.

Frequently Asked Questions

What is the area code for New Hampshire?

New Hampshire uses a single area code: 603. It covers the entire state.

What time is it in New Hampshire?

New Hampshire is in the Eastern Time Zone (UTC-5), the same as New York.

Can I call New Hampshire cell phones?

Yes, StartACall allows you to call both landlines and mobile phones in New Hampshire for the same low rate.

Is 603 the only area code?

Yes, 603 is currently the only area code serving New Hampshire, making it one of the few states with a single code.

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