Telephone numbers in the Czech Republic

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Following the break-up of Czechoslovakia in 1993, the successor states, the Czech Republic and Slovakia, continued to share the 42 country code, until 28 February 1997, with the Czech Republic adopting 420 and Slovakia adopting 421.

Country Code: +420
International Call Prefix: 00
Trunk Prefix: none

On September 22, 2002, the Czech Republic adopted a closed numbering plan, with nine-digit numbers used for local and national calls, and the dropping of the trunk code 0.

Before the change, the following arrangements would have been made for calls to Brno:

Local call:         xx xx xx xx
National call:      05/xx xx xx xx
International call: +420 5 xx xx xx xx 

After the change, the dialing arrangements for calls to Brno were as follows:

Within Czech Republic:  5xx xxx xxx
Outside Czech Republic: +420 5xx xxx xxx 

In the case of mobile numbers, which had to be dialed in full, the only change was that the 0 was no longer used:

Within Czech Republic:  602 xxx xxx 
Outside Czech Republic: +420 602 xxx xxx

Emergency calls (always toll-free)[edit]

  • Ambulance/Emergency: 155 or 112
  • Police: 158 or 112
  • Firefighters: 150 or 112
  • Municipal police: 156

Prefixes[edit]

The first 1-3 digits (after +420) of the telephone number indicates location or network. For mobile phones, since there is number portability, the mobile phone code only indicates the original operator. For example, when a person calls a number starting with 73 (T-mobile) but had been ported to another operator, a short voice message in Czech and English is played stating "you are calling out of a T-mobile network" before the ringing tone.

Geographical[edit]

calling codes region former codes
2 Prague 02
31, 32 Central Bohemian Region
35 Karlovy Vary Region 017 Karlovy Vary
37 Plzeň Region 019 Plzeň
38, 39 South Bohemian Region 038 České Budějovice
41, 47 Ústí nad Labem Region 047 Ústí nad Labem
46 Pardubice Region 040 Pardubice
48 Liberec Region 048 Liberec
49 Hradec Králové Region 049 Hradec Králové
51, 53, 54 South Moravian Region 05 Brno
55, 59 Moravian-Silesian Region 069 Ostrava
56 Vysočina Region 066 Jihlava
57 Zlín Region 067 Zlín
58 Olomouc Region 068 Olomouc

Mobile networks[edit]

  • 601 - Telefónica O2 Czech Republic (formerly NMT, numbers were ported to GSM in 2006; also used as part of the PPP log-in when dialling in the CDMA network) (formerly named EuroTel)
  • 602 - Telefónica O2 Czech Republic (GSM system)
  • 603 - T-Mobile (formerly named Paegas/RadioMobil)
  • 604 - T-Mobile
  • 605 - T-Mobile
  • 606 - Telefónica O2 Czech Republic
  • 607 - Telefónica O2 Czech Republic
  • 608 - Vodafone Czech Republic (formerly named Oskar)
  • 72 - Telefónica O2 Czech Republic
  • 73 - T-Mobile
  • 77 - Vodafone Czech Republic
  • 79 - U:Fon (Mobilkom)
  • 91 - U:Fon for internet (Mobilkom)

Institutional networks[edit]

Special pricing[edit]

  • 800 - Zelená linka ("Green line") - toll-free
  • 844 (also 81, 83, 843, 845, 846, 855) - Modrá linka ("Blue line") - local call tariff from all Czech landlines
  • 840 (also 841, 842, 847, 848, 849) - Bílá linka (White line) - national call tariff from all Czech landlines
  • 90 - premium tariff
  • 971 - dial-up internet access
  • 976 xx - premium priced dial-up internet access (priced CZK xx per minute)

References[edit]