Country Code +420

Q: How to dial +420 from the US?

To call Czech Republic from the US, dial 011 + 420 + the local phone number. From a mobile phone, you can also use +420 followed by the number.

Czech Republic uses the international dialing code +420

+420

Which Country Has Code +420?

Czech Republic uses the international dialing code +420.

How to Call Czech Republic from the US

Method	Dial Sequence	Example
From a landline	`011 + 420 + local number`	`011-420-XXX-XXXX`
From a mobile phone	`+420 + local number`	`+420-XXX-XXXX`
Using a calling card	`Access # + 011 + 420 + local number`	`1-800-XXX + 011-420-XXX-XXXX`

Important: When dialing from a US landline, always start with 011 (the US international access code). From a mobile phone, you can use the + symbol instead by pressing and holding the 0 key.

Step-by-Step Instructions

1 Dial 011 — the US exit code for international calls
2 Dial 420 — the country code for Czech Republic
3 Dial the local area code (if applicable, drop any leading 0)
4 Dial the local phone number

Got a Call From +420?

A number starting with +420 is registered in Czech Republic. If you know someone there, it may be them. If you don't, be careful before you call back.

•Don't call back a number you don't recognize. One-ring scams hang up after a ring or two so you return the call, which can add a per-minute charge on top of an international rate.
•Caller ID can be faked. The code shown is not proof of where the caller really is.
•Real callers leave a message. If it matters, they'll text, email or leave a voicemail. Otherwise, block the number.

Frequently Asked Questions

Which country has country code 420?

Czech Republic uses the international dialing code +420. This code is assigned to Czech Republic by the International Telecommunication Union (ITU).

How to dial +420 from the US?

To call Czech Republic from the US, dial 011 + 420 + local number. From a mobile phone, you can also use +420 followed by the number. The 011 prefix is the US international access code required when calling from a landline.

I got a call from +420. Should I call back?

Not if you don't recognize the number. Calls from +420 are international calls. Scammers use one-ring calls to get people to call back, which can add a per-minute charge on top of an international rate, and caller ID can be faked. If it matters, the caller will leave a message; otherwise block the number.

Czech Republic Quick Info

Country	Czech Republic
Dialing Code	+420
ISO-2 Code	`cz`
ISO-3 Code	`CZE`
Capital	Prague
Continent	Europe
Population	10,211,904
Currency	Czech koruna
Domain	`cz`

View Full Czech Republic Profile

Related Resources

How to Call Czech Republic Czech Republic Phone Format US Area Codes Directory International Calling Guide All Country Codes

Quick Tip

Save money on international calls by using VoIP services like Skype, WhatsApp, or Google Voice. Many offer free or low-cost calls to landlines and mobiles worldwide.