Get your Czech "telefonní číslo" with local numbers starting at $2.95 and toll-free options at $19.95.

We offer numbers from 18 different prefixes and cities across the Czech Republic, plus toll-free numbers.

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FlyNumber’s stand-out features

Manage Czech numbers cost-efficiently with per-number charges.
Own Czech numbers with flexible porting options.
Unlimited incoming minutes on Czech VoIP calls.
Adjust forwarding settings anytime through your account.
Access detailed call logs including error reports.
Use Czech numbers for outgoing caller-ID with cloud system.

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Use any device or software

Any device can be used to make and receive calls with your FlyNumber.

iOS or Android smartphone
Mac, PC, or Linux computer
Desktop office phone
Any regular phone number (to receive calls)
Any VoIP (e.g. Asterisk, 3CX, 3rd party VoIP)

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Choose from 3 powerful ways to use your FlyNumber

1.) Forward the Czech Republic phone calls to any standard phone number worldwide

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For a low per min rate you can forward the Czech Republic calls to any regular phone number in the world.
You'll see the caller ID of the person calling your Czech Republic FlyNumber on the phone you're forwarding to.
Change the forwarding number anytime via the FlyNumber panel.
Consider our optional cloud phone system to enhance call forwarding options.

Call Forwarding Options

2.) Use our (optional) cloud phone system

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A full-featured cloud PBX-phone system for a flat $14.95 per month.
Quickly and easily configure the call flow on a digital grid type canvas.
Supercharge your Czech Republic FlyNumber with day/time based routing, call recording, IVR/menu, block phone numbers, create SIP (VoIP) accounts and more.
Make phone calls with your Czech Republic number as the outgoing caller-ID.
Forward the Czech Republic number to multiple phone numbers and/or VoIP destinations.

3.) Set the Czech Republic number directly to VoIP

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Set the Czech Republic number directly to a SIP/VoIP address.
We'll send the Czech Republic calls to a VoIP destination for free (unlimited minutes).
High level call logs to help diagnose/debug any issues.
Use any 3rd party VoIP provider or your own PBX system (Asterisk, FreePBX, 3CX, etc.)

Details on using Direct VoIP

Registration Requirements

Local

Personal: name and contact phone number. Business: add company name. Address must be in the same city/area as the ordered number.

Toll-free

There are no special registration requirements for Toll-free, Czech Republic phone numbers.

Porting Your Existing Number to FlyNumber

Already have a Czech phone number? You can transfer (port) it to FlyNumber and keep using the same number with all our features.

We support porting for local, national, and toll-free Czech numbers. You'll typically need:

A recent invoice from your current provider
Valid ID (passport or national ID)
For business numbers: company registration documents
Address in Czech Republic (for local/national numbers)

Once you're ready, we'll send you the authorization form and handle the rest. Need things done quickly? Let us know and we can often expedite the process.

Interested in porting? Learn more about porting or get in touch and we'll guide you through it.

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Example use cases

Marketing campaign tracking

Use unique numbers to track which ads or locations generate the most calls.

Real estate listings

A local Czech number in property ads builds trust and makes it easy for buyers to reach you.

Privacy on Bazos

Keep your personal number private when selling items on Czech online marketplaces.

Coordinate travel plans

A local number simplifies communication with tour operators and accommodations in the Czech Republic.

Family communication abroad

Stay connected with family back home at local calling rates, even when living overseas.

Call like a local, pay like a local

In many cases if you make outgoing calls to a Czech Republic phone number using a Czech Republic FlyNumber as the caller-ID the rate is significantly cheaper.

The rate is sometimes 10x cheaper so if you call a certain country often, it pays to get a FlyNumber from there.
Anytime you make outgoing calls with FlyNumber (via the PBX) there is a low per minute rate.
You can make outgoing calls using the phone system app or create a SIP account.
More details on the phone system billing can be found in our docs.

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Make and receive calls with your Czech Republic phone number using our app

If you sign up for the phone system you can use the (free) dedicated app for iOS, Android, Windows, and macOS for incoming and outgoing calls.

Unlimited incoming minutes included
Push notifications for incoming calls
Call history and missed call tracking
Multiple number support for outbound calls
While on a call trigger call recording, transfer or pickup.

Screenshot of the FlyNumber app interface showing the call screen with a dialpad and recent calls list.

General technical details on Czech Republic numbers

Country code is +420, followed by a 9-digit national number.
Local dialing requires the full 9-digit number without the country code.
Before 2002, fixed-line numbers used area codes; now integrated into the 9-digit format.

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FAQs

Can I forward my Czech Republic FlyNumber to my Czech mobile phone?

Yes, you can forward your Czech Republic FlyNumber to any Czech mobile or landline. The caller's original ID is displayed, and you can update the forwarding number anytime through the FlyNumber panel. Note that per-minute rates apply.

What features does the FlyNumber cloud PBX offer for Czech Republic numbers?

The FlyNumber cloud PBX offers features like day/time-based routing, call recording, and an IVR/menu system for Czech Republic numbers. You can also block numbers, create SIP accounts, and make calls using the Czech number as caller ID.

Can I use my Czech Republic FlyNumber with my current VoIP solution?

Absolutely. The Czech Republic FlyNumber can be set directly to a VoIP/SIP address, making it compatible with any VoIP solution supporting SIP or IAX protocols, including systems like Asterisk or FreePBX.

Does FlyNumber provide detailed call logs for the Czech Republic number?

Yes, you receive detailed logs for both successful and failed calls when using a Czech Republic FlyNumber with a VoIP/SIP address. This helps in managing and analyzing call data effectively.

Can I manage a Czech Republic FlyNumber for my business with multiple branches?

With the FlyNumber hosted PBX, a Czech Republic number can be forwarded to multiple phone numbers or VoIP destinations. This enables efficient management of call flows across different branches, ensuring seamless communication within your business.

How to get your local Czech Republic phone number

Click sign up and select Czech Republic as the country, then choose a prefix.
Choose an option for how you want to use the Czech Republic "FlyNumber" (you can change this anytime).
Enter the configuration options (for example the phone number or VoIP address to send calls to)
Add funds to your prepaid manually or create a subscription for the Czech Republic number.
Go to My account > My FlyNumbers to change settings and view your Czech Republic number.

Note: If the number has SMS enabled, we'll automatically email the texts to the FlyNumber email on file.