Czech Republic country code, +420 explained.
Everything you need to call Czech Republic with Twiching — full dialing format, step-by-step guide, and Tier-1 CLI routes that land every call.
Czech Republic
Prague · Europe
· COUNTRY INFO · VERIFIED
- ISO Alpha-2
- CZ
- Capital
- Prague
- Region
- Europe
- Timezone
- UTC+1
· DIALING GUIDE · VERIFIED
FULL DIAL FORMAT
011 · +420 · XX · XXXXXXXX
How Czech Republic numbers break down
A complete number to Czech Republic follows this pattern. Twiching adds the exit and country codes automatically when you dial from the app.
EXIT CODE
Dial from the US/Canada to leave the country.
COUNTRY CODE
Routes the call directly into Czech Republic.
AREA / MOBILE
Regional or mobile prefix — drop the leading 0.
LOCAL NUMBER
The subscriber's local number.
COMPLETE NUMBER FORMAT
011 · +420 · XX · XXXXXXXX
Czech Republic on the map
Prague · Europe
ROUTE
Tier-1 Direct
CLI
Verified
ASR
60%+ min
How to call Czech Republic
Click any step — watch the full dial string build piece by piece.
FULL NUMBER FORMAT
011 · +420 · XX · XXXXXXXX
Twiching automatically adds the exit and country codes — just enter the local number.
Czech Republic —
connected across every carrier.
191
Countries in directory
CZECH REPUBLIC INCLUDED
99.97%
Call delivery rate
STIR/SHAKEN
500+
Carrier interconnects
TIER-1 DIRECT
60%+
Guaranteed ASR
REAL-TIME ROUTING
Czech Republic
Europe · CZ
Built for clear international calling
Effortless to use
Dial naturally — Twiching adds exit and country codes for you and connects with verified caller ID to Czech Republic.
Comprehensive coverage
191 countries with Tier-1 routes, local caller ID, and full CLI delivery on every connection.
Accurate & verified
Every dialing code and format is kept current, so your call lands the first time, every time.
Permitted — CTU regulated
Regulated by CTU (Czech Telecommunication Office)
- VoIP providers must notify CTU and comply with the Electronic Communications Act No. 127/2005.
- Lawful interception obligations apply to all VoIP operators per Czech security legislation.
- Number portability is fully mandated for geographic and non-geographic VoIP numbers.
US → Czech Republic
$0.009/min
per minute
Czech Republic → US
$0.007/min
per minute
More in Europe
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