What's the dialing code for Czech Republic?

The country code is +420. Always use +420 when calling from Ukraine, followed by the 9-digit Czech phone number (or area code + local number for landlines).

How much does it cost to call Czech Republic from Ukraine on Sayfone?

Sayfone rates to Czech Republic start at 22¢ per minute for both landlines and mobiles. The rate is transparent and charged per minute with no hidden setup fees.

Do I need an app to call Czech Republic from Ukraine?

No. Sayfone is browser-based, so you can call directly from your web browser on any device. No app download or installation is required.

What's the time difference between Ukraine and Czech Republic?

Czech Republic is typically 1 hour behind Ukraine (during winter months). Both regions observe different daylight saving schedules, so check current times before calling.

Can I call Czech mobile phones the same way as landlines?

Yes. Use the same +420 prefix for both mobile and landline numbers. Czech mobiles start with 7 (e.g., +420 7XX XXX XXX) and are dialed identically to landlines.

What should I do if my call doesn't connect?

Check that your internet connection is stable. Verify the Czech number format (should be +420 followed by 9 digits). If the number has a leading zero in the original Czech format, drop it when dialing internationally.

Quick Answer

How to Call Czech Republic from Ukraine

Call Czech Republic from Ukraine by dialing +420 and the local number. Sayfone offers transparent per-minute rates starting at 22¢/min.

Start calling

Cost tools

🇺🇦From Ukraine

To Czech Republic🇨🇿

$0.22

Per minute

+420

Country code

Call quality

Landline rate

$0.22/min

Mobile rate

$0.22/min

Same per-minute Sayfone rate for landline and mobile.

Average call quality

Steps at a glance

Dial +420 followed by the Czech phone number
Connect via your browser—no app required
Review the rate before placing your call

Sources

1
ITU Country Code Assignment — Czech Republic

DIALING STEPS

Step-by-Step Dialing Instructions

Follow these simple steps to place a call from Ukraine to Czech Republic.

1
Dial the international access code
From Ukraine, start with + or 00 to signal an international call.
```
+ or 00
```
2
Enter the Czech country code
Add 420, the country code for Czech Republic.
```
+420
```
3
Dial the local Czech number
Enter the recipient's phone number, typically 9 digits for landlines or mobile numbers starting with specific prefixes.
```
+420 2 XXXX XXXX (Prague landline) or +420 7XX XXX XXX (mobile)
```
Press call
Connect from your browser and the call will ring through to the Czech number.

Dialing format reference

+420

Use these patterns when entering a full international number to +420.

Mobile

+420 7XX XXX XXX

Landline

+420 2 XXXX XXXX (Prague) or +420 3XX XXX XXX (regional)

+420 2 2222 2222
+420 721 234 567
+420 312 345 678

Major city area codes

Prague2

Brno5

Ostrava69

Sources

1
Czech Numbering Plan — Czech Telecommunications Office

DIALING RULES

Czech Republic Dialing Rules & Formats

Understand Czech phone number formats, area codes, and dialing conventions.

Country code: +420

All calls from abroad to Czech Republic must begin with +420 (or 00420 from Ukraine's landline system).

Landline numbers are 9 digits

Czech landlines consist of 9 digits total (including the area code). Area codes for major cities are single or double digits.

Mobile numbers start with specific prefixes

Czech mobile numbers begin with 7 followed by 8 digits (format +420 7XX XXX XXX). Common mobile prefixes include 601–607.

No leading zero after country code

When dialing internationally, drop any leading zero from the Czech area code or number and use +420 directly.

CALLING TIPS

Best Times to Call Czech Republic from Ukraine

Time your calls to reach Czech contacts during business hours or convenient personal times.

Time & windows

Business Hours

9 AM – 5 PM CET

Best for reaching offices and professional contacts

Early Evening

5 PM – 7 PM CET

Good for personal contacts after work

🇺🇦Ukraine (EET, UTC+2) to Czech Republic (CET/CEST, UTC+1/2)

Czech Republic is 1 hour behind Ukraine in winter; same in summerWhen it's 10 AM in Ukraine, it's 9 AM in Czech Republic (winter); 10 AM in both (summer)

🇺🇦Peak business hours overlap

9 AM – 4 PM CET = 10 AM – 5 PM EETIdeal window for professional calls

Calling tips

Call during business hours (9 AM–5 PM CET) to reach office lines. Evening calls (after 7 PM CET) are usually reserved for personal contacts.
Czech Republic observes CET (Central European Time). Account for a 1-hour difference during winter months.
Avoid calling on Czech public holidays (New Year, Easter, Labor Day, Independence Day, etc.) when many offices are closed.
Mobile networks in Czech Republic have excellent coverage. Reaching a mobile number is generally as reliable as a landline.

Business etiquette

Czechs appreciate directness and professionalism. Keep initial greetings brief and move to your purpose quickly.
Business calls during lunch hours (12–1 PM) may reach answering machines; aim for mid-morning or mid-afternoon instead.
If calling a company switchboard, have the recipient's full name and department ready to speed up the transfer.

Sources

1
Time and Date World Time Zones

TROUBLESHOOTING

Common Issues & Calling Restrictions

Resolve typical dialing problems and understand what numbers may not connect internationally.

Number won't ring

Verify the full Czech number format including the +420 prefix. Double-check that you've omitted any leading zeros from the area code. If dialing a landline, confirm the area code matches the city you're calling (Prague = 2, Brno = 5, etc.).

Call quality or drops

Ensure your internet connection is stable. Browser-based calls depend on a reliable data link. If calling via WiFi, verify the signal strength. Mobile network data also works but may be less stable on congested networks.

Automatic call routing (PBX systems)

Some Czech business numbers use automated phone systems (PBX). After dialing, you may hear a menu prompt. Speak or press numbers as instructed to reach the right extension.

Savings

See what you could save

Adjust the tools below to compare Sayfone with typical retail pricing for calls to Czech Republic. Start with one call, then layer on monthly volume to see the bigger picture.

How to use these tools

Sayfone uses your live rate for calls to Czech Republic — the same basis as the rest of this page.
First, estimate savings on a single call length. Then, model a full month of minutes versus typical retail benchmarks.
Retail competitor rows are illustrative — not a quote from any carrier.