Dial Czech Republic (+420) the right way.
The +420 prefix connects Central Europe's most industrialised economy — from Prague's historic financial centre to Brno's engineering and tech clusters. Here's the verified Czech Republic country code, ISO references, live local time, and Ringflow's direct Czech routes.
Czech Republic at a glance.
The geography, area codes and CET time zone you need before placing your first call into the Czech Republic.
Czech Republic country information
Every route into Czech lines.
Landline, calling card or business VoIP — the +420 prefix reaches all 14 regions. Pick the channel that matches your call volume.
Direct calls using landlines & mobile phones
Dial Czech Republic directly from any landline or mobile by entering your international exit code, then the country code +420, and finally the local number.
International calling cards for Czech Republic
Pre-paid international calling cards remain a convenient, low-cost way to reach Czech Republic. Each card gives you a PIN and an access number to place global calls.
VoIP services for contacting Czech Republic
VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Czech Republic over the internet, usually at far lower rates than traditional carriers.
What shapes Czech voice traffic, region to region.
The fundamentals behind calls to and from the Czech Republic — the +420 code, Prague, the CET zone and the nine-digit national plan.
How to call the Czech Republic.
A Czech number is nine digits dialled in full — no trunk prefix to drop. Here's the anatomy and dialling order.
Number anatomy
Start with the exit prefix
Press + on a mobile (hold the 0 key), or dial 00 from most countries, or 011 from North America.
Add the Czech Republic code
Dial +420. This identifies Czech Republic on the global telephone network.
Enter the area or mobile prefix
Type the first part of the local number. Drop the leading 0 if there is one.
Finish with the subscriber number
The remaining digits route the call to the specific line in Prague or elsewhere.
Dialling Czech Republic (+420) from other countries
The exit prefix changes by origin; the Czech Republic code stays +420.
| Calling from | Exit prefix | You dial, then the national number |
|---|---|---|
| United States & Canada | 011 | 011 420 |
| United Kingdom & most of Europe | 00 | 00 420 |
| Australia | 0011 | 0011 420 |
| Japan | 010 | 010 420 |
| Any mobile (E.164) | + | +420 |
Browse the full country code index.
Search by country name, ISO code or dial prefix. Click any country for its dialing rules and Ringflow's local number availability.
FAQ
Calling the Czech Republic, answered.
What businesses and travellers ask most before dialling the Czech Republic on +420.
Connect to the Czech Republic on carrier-grade Central European routes.
Free trial · No card required · Port numbers free · Month-to-month
Dialling Czech Republic without misdialling
Czech Republic’s calling code is +420 , which puts it in northern and central Europe. The codes below are the ones a caller actually reaches by mistake, so they are worth checking before a number goes into a CRM or an outbound list.
| Dial this by mistake | and you reach | Why it happens |
|---|---|---|
| +423 | Liechtenstein | One digit out on the last position |
| +421 | Slovakia | One digit out on the last position |
Other Europe countries in the same numbering zone: Austria +43, Denmark +45, Germany +49, Guernsey +44-1481, Isle of Man +44-1624. Czech Republic's capital is Prague.