603 Area Code

About Area Code 603

Area Code: 603
City: Derry
State: New Hampshire
County: Cheshire
Time Zone: America/New_York
Latitude / Longitude: 43.04893875, -71.33472

Area code 603 is located in the United States and is used in the region around Derry, New Hampshire. It currently serves approximately 8 cities across 1 states.

In this dataset, area code 603 covers parts of New Hampshire. Major cities using this area code include Derry, Dover, East Concord, Keene, Manchester, Nashua, Portsmouth, and Rochester.

Cities in Area Code 603

Below is a list of cities that use area code 603 in this dataset:

• Derry
• Dover
• East Concord
• Keene
• Manchester
• Nashua
• Portsmouth
• Rochester

Counties / Regions Covered

Area code 603 covers the following counties or regions:

• Cheshire
• Hillsborough
• Merrimack
• Rockingham
• Strafford

Location and Coordinates

The approximate central location for area code 603 is near latitude 43.04893875 and longitude -71.33472. Individual city coordinates vary within the area code's coverage:

• Derry, New Hampshire (lat 42.88064, lng -71.32729)
• Dover, New Hampshire (lat 43.19786, lng -70.87367)
• East Concord, New Hampshire (lat 43.24202, lng -71.53813)
• Keene, New Hampshire (lat 42.93369, lng -72.27814)
• Manchester, New Hampshire (lat 42.99564, lng -71.45479)
• Nashua, New Hampshire (lat 42.76537, lng -71.46757)
• Portsmouth, New Hampshire (lat 43.07176, lng -70.76255)
• Rochester, New Hampshire (lat 43.30453, lng -70.97562)

Time Zone Information

Based on the underlying city data, area code 603 is used in the following time zone(s): America/New_York.

Related Area Code Pages

Explore related area code pages on Burning Compass:

• All area codes in New Hampshire
• Area codes for the city of Derry
• Area codes in Cheshire