Your complete guide to dialling Czech Republic from Prague to anywhere in the world — verified +420 country code, Europe/Prague time zone, Europe region, ISO references, live local time and weather, plus a step-by-step walkthrough.
Calling
Czech Republic
+420
Prague
Weather
HD voice signal
Alpha-2
CZ
Alpha-3
CZE
Czech Republic
CZ
2 Digit ISO
+420
Country Calling Code
CZE
3 Digit ISO
Capital
Prague
Time zone
Europe/Prague
Weather · Prague
Humidity
Wind
Czech Republic
+420
Capital
Prague
Region
Europe
Time zone
Europe/Prague
Coordinates
49.8° N, 15.5° E
ISO 3166-1
CZ / CZE
Dial format
+420 [area] [number]
Current time in Prague
—:—
Best time to call: 09:00 – 17:00 Prague
A complete international number is built from four parts. Here's the anatomy and the dialling order.
Number anatomy
Format follows ITU-T Recommendation E.164 the international public telecommunication numbering plan.
Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.
Dial +420. This identifies Czech Republic on the global telephone network.
Type the first part of the local number. Drop the leading 0 if there is one.
The remaining digits route the call to the specific line in Prague or elsewhere.
To call Czech Republic on WhatsApp, save the number with +420 and no exit prefix — WhatsApp dials from your contacts, not a dial pad. Voice and video calls are free over data.
Need an inbound Czech Republic number?
TKOS provisions +420 DIDs and termination through direct carrier interconnects.
Whether you're reaching Czech Republic for business or family, three habits keep every conversation crystal clear and a clean route from TKOS handles the rest.
Prague routes support G.722 wideband audio on EU-peered carriers — an HD headset makes the quality difference immediately obvious on these low-latency links.
Prague is ~8,522 km away — latency runs 280–310ms. Use wired ethernet to eliminate Wi-Fi jitter on this long-haul path.
Schedule Czech Republic calls during Prague business hours — 09:00–17:00 Europe/Prague — your contact will be at their desk in a quiet space rather than taking the call on the move.
Special-rate prefixes and the major city area codes inside Czech Republic (+420).
| National | Dial codes |
|---|---|
| Czech Republic Toll Free | +420-700 |
| Czech Republic Toll Free Mobile Enabled | +420-143 |
| City | Dial codes |
|---|---|
| Brno | +420-54 |
| Plzen | +420-377 |
| Praha (Prague) | +420-3 |
| Region Jihocesky | +420-38 |
| Region Jihomoravsky | +420-51 |
| Region Karlovarsky | +420-35 |
| Region Kralovehradecky | +420-49 |
| Region Liberecky | +420-48 |
| Region Moravskoslezsky | +420-55 |
| Region Olomoucky | +420-58 |
| Region Pardubicky | +420-46 |
| Region Plzensky | +420-37 |
| Region Stredocesky | +420-31 |
| Region Ustecky | +420-41 |
| Region Vysocina | +420-56 |
| Region Zlinsky | +420-57 |
Capital
Prague
Population
10.53M
Area
78,867 km²
GDP (USD)
$330.00B
Currency
Czech Koruna (CZK Kč)
Languages
Czech
Emergency number
112
Internet TLD
.cz
Drive side
Right-hand traffic
Latitude / Longitude
49.82°N / 15.47°E
Time zone
Europe/Prague
ISO 3166 codes
CZ · CZE
Prague (~8,522 km) connects via Mediterranean and North African fibre — TKOS peering keeps rates low at ~280ms latency.
Built on top of every Czech Republic (+420) route quality, price, and people you can reach.
TKOS terminates Czech Republic calls via EU-peered carrier interconnects at Prague. Sub-80ms latency, G.722 wideband audio on every call.
EU routing agreements compress Czech Republic termination costs via Prague — TKOS passes those savings to you directly. Transparent per-minute rates for Czech Republic (+420), no hidden fees.
Your account manager covers Europe/Prague hours for Czech Republic. Phone, email, and live chat — always online for Prague routes, day or night.
Everything a business or traveller needs to know before dialling Czech Republic (+420). Can't find an answer? Our team is one click away.
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The route you pilot today is the route that carries your millionth minute to Czech Republic (+420). No migration. No replatforming. No renegotiation.