Czechia numbers
Czechia's international dial code is +420. This page gathers what we've published about this country's numbers — no names, no uploaders, no reporters. Just numbering-plan facts and aggregate counts.
Dialing information
- International calling code
- +420
- Dialing from abroad
- +420 601 123 456
- Dialing locally
- 601 123 456
- Domestic trunk prefix
- No trunk prefix
- International call prefix
- 00
- National number length
- 9–12 digits
- Mobile number length
- 9 digits
- Fixed-line number length
- 9 digits
Number formats by line type
- Mobile
- +420 6XX XXX XXX
- Landline
- +420 2XX XXX XXX
- VoIP
- +420 9XX XXX XXX
- Toll free
- +420 8XX XXX XXX
- Premium rate
- +420 9XX XXX XXX
Top prefixes
Landline · Prague
Landline · Central Bohemian Region
Landline · Central Bohemian Region
Landline · Karlovy Vary Region
Landline · Plzeň Region
Landline · South Bohemian Region
Landline · South Bohemian Region
Landline · Ústí nad Labem Region
Landline · Pardubice Region
Landline · Ústí nad Labem Region
Landline · Liberec Region
Landline · Hradec Králové Region
Landline · South Moravian Region
Landline · South Moravian Region
Landline · South Moravian Region
Landline · Moravian-Silesian Region
Landline · Vysočina Region
Landline · Zlín Region
Landline · Olomouc Region
Landline · Moravian-Silesian Region
Mobile · Original allocation: O2
Mobile · Original allocation: O2
Mobile · Original allocation: O2
Mobile · Original allocation: O2
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: O2
Mobile · Original allocation: O2
Mobile · Original allocation: Vodafone
Mobile · Original allocation: O2
Mobile
Mobile · Original allocation: SAZKA sazkova kancelar, a.s
Mobile
Mobile · Original allocation: DataCell
Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: T-Mobile
Mobile
Mobile
Mobile
Mobile · Original allocation: Vodafone
Mobile · Original allocation: Vodafone
Mobile · Original allocation: Vodafone
Mobile · Original allocation: Vodafone
Mobile · Original allocation: Vodafone
Mobile
Mobile
Mobile
Mobile
Mobile
Mobile · Original allocation: T-Mobile
Mobile · Original allocation: O2
Mobile
Mobile
Mobile
Recently indexed numbers
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Frequently asked questions
Who allocates Czechia's numbers?
The +420 dial code and each prefix's carrier come from this country's officially published numbering plan — not from user-uploaded data.
How many indexed numbers do we have in Czechia?
20 indexed numbers, and 0 spam numbers — names themselves are never published, only the counts.
How do I call Czechia from abroad?
Czechia's international dial code is +420. From outside the country, dial the number in its international format, like +420 601 123 456.
How many digits does a phone number in Czechia have?
National number length in Czechia: 9–12 digits — after the domestic trunk prefix, if any.