International dialing guide
Czechia country code (+420)
The international country code for Czechia is +420. Use this prefix after your exit code when calling Czechia from another country, or dial the full E.164 number (+420…) with Ringvoo from your browser.
What is the Czechia country code?
Country code +420 identifies phone numbers registered in Czechia. When you call from abroad, you dial your international access code (00 in most countries, 011 from the US/Canada), then 420, then the local number. With Ringvoo, paste the full number including +420 and we handle the routing.
How to dial Czechia from abroad
- Dial your international exit code (00 in most countries, 011 from the US/Canada).
- Enter Czechia's country code 420.
- Add the local phone number, dropping any leading trunk zero if your carrier requires it.
- Or open Ringvoo, paste the full E.164 number (+420…), and call from your browser.
Example numbers for Czechia
Frequently asked questions
What is the country code for Czechia?
The international dialing code for Czechia is +420. Include it after your exit code when calling from abroad.
How do I call Czechia from the United States?
Dial 011 (US exit code), then 420, then the local number. Or use Ringvoo and enter the full +420 number in your browser.
Can I call Czechia without downloading an app?
Yes. Ringvoo runs in Chrome, Safari, or Edge and connects to real phone numbers in Czechia — no app install required.
Do I need to drop the leading zero when dialing Czechia?
When using the international format (+420), omit any leading 0 from the local number. Ringvoo accepts E.164 numbers directly.