Czech Republic country code (+420)
Complete country code guide for Czech Republic: dialing format, area codes, examples, and current calling rates. Browse our full country codes list to find other destinations.
Country code
Country code
+420
ISO code
CZ
Dialing format
Landline format
+420 + [area code] + local number
Mobile format
+420 + [mobile prefix] + subscriber number
Drop the domestic trunk prefix (often 0) when calling internationally.
Full syntax: +420 + [9 digit number] (mobiles and landlines use 9 digits, often written in 3-3-3 blocks)
Calling rates
Calls to Czech Republic start from $0.03/minute with transparent, pay-as-you-go pricing. Compare with our international calling rates for other countries.
View detailed rates for Czech RepublicArea codes
- 2
Prague (capital)
Example: 2 2345 6789
- 5
Brno
Example: 5 3210 9876
- 5
Ostrava
Example: 5 6789 0123
- 3
Plzen
Example: 3 4567 8901
Common mistakes
- Adding a trunk prefix like 0 before the Czech number, which is not used.
- Dialing fewer or more than 9 digits after the country code.
- Forgetting to include the country code when calling from abroad.
- Misreading spaced formats and dropping digits when entering the number.
Why use HelloAirDial for Czech Republic?
- Call Czech numbers directly from your browser, no SIM, app, or calling card needed.
- Transparent per minute pricing for Czech Republic, see rates before you dial.
- Reliable routing for clearer audio on both mobile and landline calls.
- Show a stable caller ID so contacts in Czech Republic recognize your number.
Call Czech Republic now
Rates from $0.03/minute.
Try it free - get a 1 minute trial call, no credit card required
Related country codes
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View all country codes →FAQs
Can I call Czech Republic from abroad?
Yes. HelloAirDial connects directly from your browser. Traditional carriers can be pricey or block unknown overseas numbers; using HelloAirDial helps with caller ID, clear routing, and predictable costs.
Does Czech Republic have area codes?
Yes. See the list above for key area codes and examples.
Do I need to use a trunk code when calling with HelloAirDial?
No. When dialing internationally, drop the domestic trunk prefix (often 0) and start with the country code.
Is HelloAirDial cheaper than telecom providers?
Typically yes. You pay per minute with transparent pricing and no hidden roaming or connection fees, so you avoid the surcharges many carriers add for international calls.