+1 at a Glance
| Calling code | +1 |
| Country / region | United States, Canada & NANP territories |
| Also written as | 001 (00 prefix, Europe and most of the world) |
| Note | Shared across 25 countries and territories of the North American Numbering Plan |
| From the US / Canada | 011 1 + national number |
| From most other countries | 00 1 + national number (or +1 from a mobile) |
How to Dial a +1 Number
- Start with your country's international prefix: 011 from the US and Canada, 00 from most of Europe, or simply + from any mobile phone.
- Dial 1.
- Dial the national number. If it starts with a 0, drop that leading zero.
Missed Call From +1?
Unrecognized international numbers are a common pattern in Wangiri ("one ring") scams: the caller hangs up after one ring hoping you call back a premium-rate number. If you don't know anyone in United States, Canada & NANP territories, don't call back. If the call matters, the caller will try again or leave a message.
Frequently Asked Questions
Which country has calling code +1?
United States, Canada & NANP territories. Shared across 25 countries and territories of the North American Numbering Plan.
How do I call +1 from the US?
Dial 011 1 followed by the national number without its leading zero.
What does 001 mean?
001 is +1 written with the international prefix used in the UK, most of Europe and much of the world: 00 replaces the plus sign, so 001 and +1 reach the same number in United States, Canada & NANP territories. From inside the +1 area you dial 1 and the ten-digit number, with no country code.
Is a call from +1 a scam?
Not necessarily, but treat unexpected international calls with caution. One-ring missed calls are the classic Wangiri callback scam: hoping you return the call to a premium-rate number. If you do not know anyone in United States, Canada & NANP territories, do not call back, and never share personal or payment details on calls you did not initiate.