+1 Country Code

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+1 is the country code for the United States, Canada, and other territories in the North American Numbering Plan.

The US country code is +1. It’s used when dialing into the United States from outside the NANP region.

The +1 prefix indicates that the phone number belongs to a country within the North American Numbering Plan, such as the US or Canada. When dialing internationally, the "+" replaces the international access code (e.g., 011).

Start with +1 followed by the 10-digit mobile number. For example, +1 555 123 4567.

Dial your country’s international access code (e.g., 00 or 011), then 1, and then the 10-digit phone number. For example, to call +1 212 555 7890 from the UK, dial: 00 1 212 555 7890.

In North America, '1' is the country code, and 800 is a toll-free prefix. 1-800 numbers are free for the caller and are often used by businesses for customer support.

"001" is used to dial into the United States from some countries where '00' is the international access code. The '1' refers to the US country code.

To call the US from outside the NANP region, follow this format:

• Dial your country’s international access code (e.g., 00 or 011).

• Enter the US country code: 1.

• Dial the 10-digit US phone number.

For example, to call a New York number (212-555-1234) from the UK, you would dial: 00 1 212 555 1234.