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|cz| Czech Republic +420


Number Format

Area Code:            1-5 digits
Subscriber Number:    4-8 digits
Trunk Prefix:         none (formerly 0)
International Prefix: 00

Area code information

21-22 September 2002 - national renumbering

All telephone numbers in the Czech Republic became standard 9-digit national numbers. All 9 digits must be dialled for local and long distance calls. The '0' trunk prefix digit was eliminated in this process.

See the Czech renumbering website: http://www.telecom.cz/renumbering.

Also see announcement with number translation.

There was an earlier press release: Cesky Telecom - 18 Sept 2001.

See also Cesky Telecom announcement (via ITU).

2000 - short code changes

Cesky Telecom bulletin has deails on some short code changes.

See bulletin (in Czech) from regulator CTU.

28 Feb 1997: new country code 420

Czechoslovakia split into the Czech Republic and Slovakia. Country code 42 was assigned to Czechoslovakia by ITU in the early 1960s.

Effective 28 February 1997, a split of country code 42 took effect:

Czech Republic: country code 420
Slovak Republic: country code 421

See Czech Info Center telephone information (muselik.com)

Also see numbering information link (via ITU).

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