Dialling Code for United States
How to call United States from abroad
Facts last checked 9 October 2026.
The international dialling code for United States is +1. To call United States from the UK, dial 00 then 1, followed by the local number. From the US or Canada, dial 011 then 1. On a mobile phone you can simply dial +1 directly.
Staying connected in United States
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United States calling details
| Country code | +1 |
|---|---|
| Internet domain | .us |
| Emergency number | 911 |
| Time zone | UTC-05:00 — check the time before you call |
| Capital | Washington, D.C. |
Dialling codes of neighbouring countries
United States in context
- United States covers 9,525,067 km², making it the 4th largest of the 196 countries on this site.
- Its population density of about 36 people per km² ranks 147th of 196 (1st = most crowded).
- It shares a land border with 2 countries: Canada, Mexico.
- With 340,110,988 people, United States holds about 66.4% of the population of North America.
- Traffic drives on the right, and calendars start the week on Sunday.
- United States is a member state of the United Nations.
Compare United States
- United States vs Canada
- United States vs United Kingdom
- United States vs Mexico
- United States vs China
- United States vs Russia
- United States vs Australia
Calling United States — FAQ
What is the international dialling code for United States?
The dialling code for United States is +1.
How do I call United States from the UK?
To call United States from the UK, dial 00 1 followed by the local number (drop any leading 0).
How do I call United States from the US?
To call United States from the US, dial 011 1 followed by the local number.
Do other countries share the +1 dialling code?
Yes — +1 is also used by Canada, Dominican Republic. If you're calling one of these, check the area/city code as well as the country code to reach the right country.
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