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

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

See bulletin (in Czech) from regulator CTU.

28 Feb 1997: new country code 420

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).