Where area code is 603?

Area code 603 covers New Hampshire, including cities like Manchester and Concord. Discover key info about calling this region.

What is the 3 digits 603 in a phone call?

If you receive a phone call with the first 3 digits 603 in the United States, you should know that they could belong to Derry (NH), Dover (NH), East Concord (NH), Keene (NH), Manchester (NH), Nashua (NH), Portsmouth (NH), Rochester (NH).

How to call area code 603 from another state in the U.S?

Dialing the area code 603 from another state in the United States is considered a long-distance call. Here’s how to make the call: First, dial the area code for 603. Each state, and sometimes specific cities within a state, has unique area codes. Then, enter the 7-digit phone number of the person or business you’re trying to reach. If you’re calling from a landline, check with your provider, as long-distance charges may apply. However, most mobile carriers in the U.S. offer nationwide calling without additional fees. Alternatively, you can use VoIP or internet-based calling apps, like Skype, Zoom, or WhatsApp, to bypass traditional long-distance charges. The number you want to reach should look like this: 1-(AreaCode)-111-2222.

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603 Area Code

603 Area Code belongs to New Hampshire and serves to 8 main cities

Area Code 603 serves the state of New Hampshire, having been established in 1947 as one of the original area codes created by AT&T’s North American Numbering Plan. It covers the entire geographic region of the state, making New Hampshire one of the few states in the United States to have a single area code. The area code was initially assigned to the whole state before population growth and increased demand for telephone numbers necessitated the introduction of additional area codes in surrounding states.

603 is known for its low population density, with rural communities interspersed among small cities. The largest cities under this area code include Manchester, Nashua, and Concord, each contributing to the region's telecommunications infrastructure. Due to the state’s commitment to maintaining its unique character, phone numbers within 603 often carry a sense of local identity.

Unique to New Hampshire’s area code is its emphasis on landline usage, although mobile phones have significantly increased their presence in recent years. The 603 area code has remained intact since its inception, demonstrating the state's relatively stable population growth and consistent demand for telecommunication services.

The area code operates under various local exchanges that facilitate communication not only within the state but also to neighboring areas. As telecommunications continue to evolve with advancements in technology, the area's infrastructure adapts to meet the changing needs of its residents and businesses.

Cities with 603 Area Code:
Derry (NH)
Dover (NH)
East Concord (NH)
Keene (NH)
Manchester (NH)
Nashua (NH)
Portsmouth (NH)
Rochester (NH)

Where area code is 603?
Area code 603 covers New Hampshire, including cities like Manchester and Concord. Discover key info about calling this region.
What is the 3 digits 603 in a phone call?
If you receive a phone call with the first 3 digits 603 in the United States, you should know that they could belong to Derry (NH), Dover (NH), East Concord (NH), Keene (NH), Manchester (NH), Nashua (NH), Portsmouth (NH), Rochester (NH).
How to call area code 603 from another state in the U.S?
Dialing the area code 603 from another state in the United States is considered a long-distance call. Here’s how to make the call: First, dial the area code for 603. Each state, and sometimes specific cities within a state, has unique area codes. Then, enter the 7-digit phone number of the person or business you’re trying to reach. If you’re calling from a landline, check with your provider, as long-distance charges may apply. However, most mobile carriers in the U.S. offer nationwide calling without additional fees. Alternatively, you can use VoIP or internet-based calling apps, like Skype, Zoom, or WhatsApp, to bypass traditional long-distance charges. The number you want to reach should look like this: 1-(AreaCode)-111-2222.