Receive a local area code
603
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Economic Overview
Area code 603 covers a region with a diverse economy, including technology, healthcare, manufacturing, tourism, and education. Major employers include Dartmouth-Hitchcock Medical Center, BAE Systems, Fidelity Investments, and several universities. The area benefits from a mix of high-tech industry in the south and tourism and recreation in the north.
Geographical Overview
Area code 603 serves the entire state of New Hampshire, covering cities such as Manchester, Nashua, Concord, Portsmouth, Keene, and Dover. It includes all ten counties: Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, and Sullivan. From the White Mountains in the north to the Seacoast in the east, 603 encompasses urban, rural, and scenic areas.
Location Info
Area code 603 is unique in that it is the sole area code for the entire state of New Hampshire, making it one of the few remaining states with a single area code. Its boundaries are the borders of New Hampshire, sharing borders with Vermont, Maine, Massachusetts, and the Canadian province of Quebec. The area code covers all municipalities and unincorporated areas within the state.
Population Demographics
The 603 area code region has a population of approximately 1.4 million people. The population is predominantly White, with a growing number of Hispanic, Asian, and African American residents, and a median age that is higher than the national average. The region is a mix of urban centers, suburban communities, and rural towns.
Time Zone Info
Area code 603 is located entirely within the Eastern Time Zone (ET).
Other Area Code Details
Area code 603 was established in 1947 and is one of the original North American area codes. New Hampshire residents often use "603" as a symbol of state pride, and it is featured on merchandise and in local branding. The state is known for its role in the presidential primary process, scenic landscapes, and historic towns.
