Czechia phone numbers

At a glance

Country code

+420

Exit code

00

Trunk prefix

none

Mobile digits

9

Fixed-line digits

9

Number portability

yes

Carriers on record

34

How to dial a number in Czechia from anywhere: the dialling helper.

Test a pattern

Tick the line types you accept, copy the combined pattern, and paste numbers to see which range each one falls in. Numbers are reduced to their national digits first (no spaces, no +420, no trunk prefix); nothing leaves your browser.

^(?:7060\d{5}|(?:60[1-8]|7(?:0[2-5]|19|[2379]\d))\d{6}|(?:2\d|3[1257-9]|4[16-9]|5[13-9])\d{7})$

Need another country, or the pattern as code in your language? Open the regex builder.

Walk the prefixes

Type the first digits of a number in national form, or tap them: the operators holding blocks under those digits, then the block a full prefix falls in. 205 blocks held by 34 operators are on record.

Cheat sheet

Line types and their regular expressions

Match each pattern against the national significant number: digits only, without the trunk prefix and without +420. The patterns follow the national numbering plan and are anchored here.

^(?:7060\d{5}|(?:60[1-8]|7(?:0[2-5]|19|[2379]\d))\d{6})$

^(?:(?:2\d|3[1257-9]|4[16-9]|5[13-9])\d{7})$

^(?:800\d{6})$

^(?:9[17]0\d{6})$

^(?:8[134]\d{7})$

^(?:9(?:0[05689]|76)\d{6})$

^(?:70[01]\d{6})$

^(?:9(?:5\d|7[2-4])\d{6})$

^(?:9(?:3\d{9}|6\d{7,10}))$

Carrier prefix blocks

The operator each prefix block was allocated to, in national form, from the published allocation records for +420. Numbers are portable, so this is the original allocation, not necessarily the carrier serving a number today.

Questions developers ask

How many digits does a phone number in Czechia have?

Mobile numbers have 9 national digits. Fixed line numbers have 9 national digits. That is the national number, without the country code +420.

What is the country code for Czechia?

+420. From abroad, dial your own exit code, then 420, then the national number. From inside Czechia, the exit code for international calls is 00.

Which prefixes are mobile numbers in Czechia?

Mobile numbers start with 60, 70, 71, 72, 73, 77 or 79 in national form; the mobile regular expression on this page gives the exact ranges (example: 601 123 456). The carrier table shows which prefix blocks were allocated to which operator.

Can a mobile number in Czechia be ported to another carrier?

Yes. Czechia has mobile number portability, so a prefix tells you the carrier a number was originally allocated to, not necessarily the one serving it today. Only a live carrier lookup (an HLR or MNP query) answers that.