How to validate phone number formats for a specific country or region?

Different countries or regions use different phone number formats. To help you to validate phone number formats used in a specific country or region, FYIcenter.com has designed this online tool. All you need to do is to end a phone number of a specific country/region in the form below, and click the "Validate" button. The validation result will be presented back to you.

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Country/Region:	Czech Republic
Phone #

Validation result by FYIcenter.com:

Specified Phone Number: Valid ✔

"257 022 000" matches the format of "AAA SSS SSS"

Most phone numbers in Czech Republic are written in the following formats:

   Prefix: long distance or international
   --------------------------------------
   |   Carrier or area code 
   |   --------------------
   |   |   Subscriber number
   |   |   -----------------
   v   v   v
       AAA SSS SSS      - Local format
  +420 AAA SSS SSS      - International format

Most telephone numbers in Czech Republic have 9 digits and are written in the format of "AAA SSS SSS". Here are some examples: 257 022 000; 220 115 005.

When dialing locally inside Czech Republic, dial the phone number directly as "AAA SSS SSS". Long distance prefix is not needed.

When dialing from outside of Czech Republic, the international dial-in prefix "+420" is required. So the format becomes "+420 AAA SSS SSS".

When dialing from Czech Republic to other countries, the international dail-out prefix "+" or "00" required.

To validate phone number formats for other countries or regions, see our Generic Phone Number Format Validator.

To see phone number examples in Czech Republic, try our Test Phone Number Generator.

 

⇒ What Is Trunk or Long Distance Call Prefix?

⇐ Generating Phone Numbers for a Country/Region

⇑ Phone Number Related Terms and Tools

⇑⇑ Phone Number FAQ