International dialling codes
Czechia dialling code: +420
Czechia: everything needed to dial a local number from abroad — code +420, trunk prefix and accepted number lengths.
Short answer
Czechia has the dialling code +420. The country uses no trunk prefix: dial +420 then the national number as it stands, dropping nothing. A valid number has 9, 10, 11, 12 digits.
Numbering data
| International dialling code | +420 |
|---|---|
| ISO code | CZ |
| Trunk prefix | none |
| National number length | 9, 10, 11, 12 digits |
| Outgoing international prefix | 00 |
| Sending from this service | not open |
Frequently asked questions
- Czechia: what is the telephone dialling code?
- Czechia has the international dialling code +420. It is dialled after the calling country's outgoing prefix — 00 from France and most of Europe. A national number there has 9, 10, 11, 12 digits.
- Czechia: should the leading zero be dropped?
- No. Czechia uses no trunk prefix: the national number is dialled in full after +420. Dropping a leading digit, by analogy with France, produces an invalid number.