International dialing guide
United States country code (+1)
The international country code for United States is +1. Use this prefix after your exit code when calling United States from another country, or dial the full E.164 number (+1…) with Ringvoo from your browser.
What is the United States country code?
Country code +1 identifies phone numbers registered in United States. When you call from abroad, you dial your international access code (00 in most countries, 011 from the US/Canada), then 1, then the local number. With Ringvoo, paste the full number including +1 and we handle the routing.
How to dial United States from abroad
- Dial your international exit code (00 in most countries, 011 from the US/Canada).
- Enter United States's country code 1.
- Add the local phone number, dropping any leading trunk zero if your carrier requires it.
- Or open Ringvoo, paste the full E.164 number (+1…), and call from your browser.
Example numbers for United States
Frequently asked questions
What is the country code for United States?
The international dialing code for United States is +1. Include it after your exit code when calling from abroad.
How do I call United States from the United States?
Dial 011 (US exit code), then 1, then the local number. Or use Ringvoo and enter the full +1 number in your browser.
Can I call United States without downloading an app?
Yes. Ringvoo runs in Chrome, Safari, or Edge and connects to real phone numbers in United States — no app install required.
Do I need to drop the leading zero when dialing United States?
When using the international format (+1), omit any leading 0 from the local number. Ringvoo accepts E.164 numbers directly.