Czech Republic +420
To call Czech Republic from abroad, dial your exit code (or +), then 420, then the local number. Written in full: +420 601 123 456.
The country calling code for Czech Republic is +420. A number starting +420 or 00420 is a call to or from Czech Republic. From abroad: +420 601 123 456.
To call Czech Republic from abroad, dial your exit code (or +), then 420, then the local number as is. The +420 code identifies the country; the following digits identify the line (landline or mobile).
How to call Czech Republic from abroad
011 420 601 123 45600 420 601 123 4560011 420 601 123 456+420 601 123 456601 123 456 is a real-format Czech Republic mobile number (example from the ITU-T numbering plan): replace it with the number you were given, as is.
Czech Republic area codes
In Czech Republic, landlines usually include an area code after +420 (as is). Mobiles have no area code.
Number format
212 345 678from abroad+420 212 345 678601 123 456from abroad+420 601 123 456Landline numbers in Czech Republic have 9 digits after the country code; mobile numbers have 9 digits and start with 7060. There is no national prefix to drop: dial the full local number after +420.
Calling abroad from Czech Republic
To call another country from Czech Republic, dial the exit code 00 (or + on a mobile), then the country code, then the number. From Czech Republic to the United States, for example: 00 1 201 555 0123.
A Czech Republic number in international format is written +420 …. The + stands for the exit prefix (00 in much of the world, 011 in North America).
Cheapest ways to call Czech Republic
With internet on both ends, apps like WhatsApp, Signal or FaceTime call Czech Republic for free. To reach a number without an app, VoIP services are usually cheaper than your operator’s international rate.
Frequently asked questions
What country has the code +420?
Czech Republic has the country calling code +420.
How do I call Czech Republic from the United States?
Dial 011, then 420, then the local number as is — for example 011 601 123 456.
What does +420 mean?
It is the international dialing code for Czech Republic. The + stands for your exit code (00 in much of the world, 011 in North America).
Is +420 mobile or landline?
The +420 code identifies the country, not the line type; Czech Republic landlines and mobiles share it.
A country code covers a whole nation; the full number depends on the city and operator.
Mobile network codes in Czech Republic
Every mobile network is identified by a mobile country code (MCC) and a mobile network code (MNC). They appear on your phone when it roams, in SIM settings and in any network lookup. Czech Republic has 3 network operators with their own infrastructure:
| Network | MCC-MNC | Technologies | Subscribers |
|---|---|---|---|
| T-MobileDeutsche Telekom AG | 230-01, 230-07 | 2G · 4G · 5G | 6.63 MQ1 2026 |
| O2PPF | 230-02 | 2G · 4G · 5G | 5.99 MQ2 2021 |
| VodafoneVodafone Group plc | 230-03 | 2G · 4G · 5G | 4.18 M |
A struck-through generation has been switched off on that network. MCC-MNC: ITU-T E.212 codes as listed on Wikipedia.
2G and 3G switch-off timeline
- Vodafone — 3G (UMTS) switched off
- O2 — 3G (UMTS) switched off
- T-Mobile — 3G (UMTS) switched off
Keeping a number when changing network
- Mobile number portability
- since 2006-01-15
- Porting time
- 4 day(s)
Because numbers can be ported, the prefix of a mobile number only tells you which network first issued it, not the network it uses today.
Received a call from a Czech Republic number? Check it with the phone number lookup: type of line, format and local time.
Source: Wikipedia — lists of mobile network operators, mobile network codes, 2G and 3G phase-out, mobile number portability (CC BY-SA 4.0). Subscriber counts as published by each operator or regulator at the date shown.