Telephone numbers in the Czech Republic

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 then adopting 420 and Slovakia adopting 421.[1]

"+42" redirects here. For telephone numbers in Slovakia, see +421. For telephone numbers in Liechtenstein, see +423.
Telephone numbers in Czech Republic
Location
CountryCzech Republic
ContinentEurope
TypeClosed
Formatxxx xxx xxx
Access codes
Country code+420
International access00
Long-distancenone

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)
  • General emergency: 112
  • Ambulance: 155
  • Police: 158
  • Fire brigade: 150
  • Municipal police: 156

Other Emergency Numbers:

  • Urgent gas leak: 1239
  • Emergency Road Service (ABA): 1240
  • Emergency Road Service (UAMK): 1230

Services Numbers

O2 offers several over-the-phone information services for a fee. Note that many of the services are offered only in Czech:

  • Info Line (Czech Number Directory): 1180
  • Info Line (Foreign Number Directory): 1181
  • Operator for changed numbers (re-numbering): 141 11
  • Information on air quality: 141 10
  • Exact time: 141 12
  • Weather: 141 16
  • Medical Information: 141 20
  • Operator for international phone calls: 133 003

Prefixes

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. It is possible to disable this voice message.

Geographical
calling codesregionformer codes
2Prague02
31, 32Central Bohemian Region
35Karlovy Vary Region017 Karlovy Vary
37Plzeň Region019 Plzeň
38, 39South Bohemian Region038 České Budějovice
41, 47Ústí nad Labem Region047 Ústí nad Labem
46Pardubice Region040 Pardubice
48Liberec Region048 Liberec
49Hradec Králové Region049 Hradec Králové
51, 53, 54South Moravian Region05 Brno
55, 59Moravian-Silesian Region069 Ostrava
56Vysočina Region066 Jihlava
57Zlín Region067 Zlín
58Olomouc Region068 Olomouc

Mobile networks

 
  601 xxx xxx
  602 xxx xxx
  603 xxx xxx
  604 xxx xxx
  605 xxx xxx
  606 xxx xxx
  607 xxx xxx
  608 xxx xxx
  702 xxx xxx
  703 xxx xxx
  704 xxx xxx
  705 xxx xxx
  72x xxx xxx
  730 xxx xxx
  731 xxx xxx
  732 xxx xxx
  733 xxx xxx
  734 xxx xxx
  735 xxx xxx
  736 xxx xxx
  737 xxx xxx
  738 xxx xxx
  739 xxx xxx
  770 xxx xxx
  771 xxx xxx
  772 xxx xxx
  773 xxx xxx
  774 xxx xxx
  775 xxx xxx
  776 xxx xxx
  778 xxx xxx
  779 xxx xxx
  790 xxx xxx
  791 xxx xxx
  792 xxx xxx
  793 xxx xxx
  794 xxx xxx
  797 xxx xxx
  799 xxx xxx
  • 601 - 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 - O2 Czech Republic (GSM system)
  • 603 - T-Mobile (formerly named Paegas/RadioMobil)
  • 604 - T-Mobile
  • 605 - T-Mobile
  • 606 - O2 Czech Republic
  • 607 - O2 Czech Republic
  • 608 - Vodafone Czech Republic (formerly named Oskar)
  • 70 - (formerly Bleskmobil's range)
  • 72 - O2 Czech Republic
  • 73 - T-Mobile
  • 77 - Vodafone Czech Republic
  • 790 - U:Fon (Mobilkom)
  • 910 - VoIP non-geographic networks

Non-geographic networks

910 - VoIP

Institutional networks

These prefixes belong to the following networks:

Special pricing
  • 800 - Zelená linka ("Green line") - toll-free (800 00 - Home Country Direct)
  • 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 at CZK xx per minute)

References
  1. Czech the News: Newsletter of the Embassy of the Czech Republic, 1995, page 1
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