CZ
Czech Republic Phone Number Format
Country code +420 — Complete guide to Czech Republic phone number formats, mobile and landline structures, and area codes.
How Czech Republic Phone Numbers Are Written
Phone numbers in the Czech Republic have 9 digits after the country code +420.
There is no trunk prefix to remove: the number is written the same way at home
(60X XXX XXX)
and after the country code (+420 60X XXX XXX).
| Country code | +420 |
|---|---|
| Digits after +420 | 9 digits |
| Trunk prefix (domestic calls) | None |
| Mobile numbers start with | 60, 70–73, 77 or 79 |
| Exit code (to call abroad from the Czech Republic) | 00 |
| Dial from the US | 011 420 60X XXX XXX |
Mobile vs. Landline Numbers
9 digits after +420, starting with 60, 70–73, 77 or 79.
60X XXX XXX at home+420 60X XXX XXX international9 digits after +420. Landlines begin with an area code, for example Prague:
212 XXX XXX at home+420 212 XXX XXX internationalCzech Republic Number Types
| Type | Starts with | Written at home | International | From the US |
|---|---|---|---|---|
| Mobile | 60, 70–73, 77 or 79 | 60X XXX XXX |
+420 60X XXX XXX |
011 420 60X XXX XXX |
| Landline | 2, 3, 4 or 5 | 212 XXX XXX |
+420 212 XXX XXX |
011 420 212 XXX XXX |
| Toll-free | 80 | 800 XXX XXX |
+420 800 XXX XXX |
011 420 800 XXX XXX |
| Premium rate | 90 or 97 | 900 XXX XXX |
+420 900 XXX XXX |
011 420 900 XXX XXX |
| Shared cost | — | 811 XXX XXX |
+420 811 XXX XXX |
011 420 811 XXX XXX |
| VoIP | — | 910 XXX XXX |
+420 910 XXX XXX |
011 420 910 XXX XXX |
| Company number (UAN) | — | 972 XXX XXX |
+420 972 XXX XXX |
011 420 972 XXX XXX |
X stands for any digit. Source: libphonenumber metadata (phonenumbers 9.0.40), Google's open numbering data.
Checking a number from Czech Republic? The phone number checker tells you if it is valid, mobile or landline, and gives its international format.
Dialing Tips
- Keep every digit: Czech Republic numbers have no trunk prefix, so dial them after +420 exactly as they are written locally.
-
Use the + notation: From a US mobile phone, use
+420instead of011 420. - Verify the number length: Numbers in the Czech Republic have 9 digits after +420. If your call does not connect, check that no digit is missing or doubled.
-
Save contacts in international format: Always store phone numbers with the full
+420prefix so they work from any country.
Czech Republic Phone Number FAQ
How many digits does a phone number in the Czech Republic have?
Phone numbers in the Czech Republic have 9 digits after the country code +420.
What do mobile numbers in the Czech Republic start with?
Mobile numbers in the Czech Republic start with 60, 70–73, 77 or 79, for example 60X XXX XXX.
How do I write a phone number from the Czech Republic in international format?
Start with +420, then the national number. For example, a mobile number written 60X XXX XXX at home becomes +420 60X XXX XXX. From a US landline, dial 011 420 60X XXX XXX.
What is the toll-free prefix in the Czech Republic?
Toll-free numbers in the Czech Republic start with 80, for example 800 XXX XXX. Many toll-free numbers can't be reached from abroad.
How do I call the US from the Czech Republic?
Dial the exit code 00, then 1 and the 10-digit US number: 00 1 XXX XXX XXXX. From a mobile phone you can use + instead of 00: +1 XXX XXX XXXX.