Following the
break-up of Czechoslovakia in 1993, the successor states, the
Czech Republic
The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
and
Slovakia
Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...
, continued to share the 42 country code until 28 February 1997, with the Czech Republic then adopting 420 and Slovakia adopting 421.
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
Brno ( , ; german: Brünn ) is a city in the South Moravian Region of the Czech Republic. Located at the confluence of the Svitava and Svratka rivers, Brno has about 380,000 inhabitants, making it the second-largest city in the Czech Republic ...
:
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
T-Mobile is the brand name used by some of the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG in the Czech Republic (T-Mobile Czech Republic), Poland (T-Mobile Polska), the United States (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
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
O2 Czech Republic (operating under the O2 brand) is a major integrated operator in the Czech Republic. It is now operating more than six million lines, both fixed and mobile, making it one of the Czech Republic’s leading providers of fully co ...
(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
O2 Czech Republic (operating under the O2 brand) is a major integrated operator in the Czech Republic. It is now operating more than six million lines, both fixed and mobile, making it one of the Czech Republic’s leading providers of fully co ...
(GSM system)
*603 -
T-Mobile
T-Mobile is the brand name used by some of the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG in the Czech Republic (T-Mobile Czech Republic), Poland (T-Mobile Polska), the United States (T-Mobile ...
(formerly named Paegas/RadioMobil)
*604 - T-Mobile
*605 - T-Mobile
*606 - O2 Czech Republic
*607 - O2 Czech Republic
*608 -
Vodafone Czech Republic
Vodafone Czech Republic a.s. is a Czech telecommunications company. It is among the largest Czech companies by revenue. It was established as Český Mobil (Czech Mobile) in 1999, when the government of Miloš Zeman
Miloš Zeman (; born 28 Sep ...
(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
Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet t ...
Institutional networks
These prefixes belong to the following networks:
*9522 - Všeobecná zdravotní pojišťovna, government-controlled health insurance company
*9555 - Bank "
Komerční banka
Komerční banka (“KB”) is a major Czech bank and the parent company of KB Group, a member of the Société Générale international financial group. KB is a universal bank providing a wide range of services in retail, corporate and investme ...
(KB)", a part of the
Société Générale
Société Générale S.A. (), colloquially known in English as SocGen (), is a French-based multinational financial services company founded in 1864, registered in downtown Paris and headquartered nearby in La Défense.
Société Générale ...
(SG) international group, formerly government-controlled company
*9567 - Bank "
Česká spořitelna
Česká spořitelna is the biggest Czech bank measured by the number of clients (4.7 million) Česká spořitelna, Konsolidované výsledky za rok 2016 (neauditované, IFRS), 28. února 2017 with its headquarters in Vienna. It is a part of the Er ...
(ČS)", a part of the
Erste Bank Group
Erste Group Bank AG (Erste Group) is an Austrian financial service provider in Central and Eastern Europe serving 15.7 million clients in over 2,700 branches in seven countries.
History
Erste Group was founded in October 1819 as ''Erste öster ...
, formerly government-controlled company
*972 -
Czech Railways
Czech may refer to:
* Anything from or related to the Czech Republic, a country in Europe
** Czech language
** Czechs, the people of the area
** Czech culture
** Czech cuisine
* One of three mythical brothers, Lech, Czech, and Rus'
Places
*Czech ...
and
Railway Administration
*973 -
Ministry of Defence
{{unsourced, date=February 2021
A ministry of defence or defense (see spelling differences), also known as a department of defence or defense, is an often-used name for the part of a government responsible for matters of defence, found in states ...
&
Armed Forces of the Czech Republic
The Armed Forces of the Czech Republic ( cs, Ozbrojené síly České republiky) are the military forces of the Czech Republic. They consist of the Army of the Czech Republic ( cs, Armáda České republiky), the Military Office of the President ...
*974 -
Ministry of the Interior
An interior ministry (sometimes called a ministry of internal affairs or ministry of home affairs) is a government department that is responsible for internal affairs.
Lists of current ministries of internal affairs
Named "ministry"
* Ministry ...
Special pricing
*800 - ''Zelená linka'' ("Green line") -
toll-free
A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing pref ...
(800 00 -
Home Country Direct
Home Country Direct is a telecommunications service to facilitate calling one's home country while traveling abroad. It made it possible to speak with an operator familiar with the language of the traveler. The Home Country Direct number is usuall ...
)
*844 (also 81, 83, 843, 845, 846, 855) - ''Modrá linka'' (Blue line) - local call tariff from all Czech
landline
A landline (land line, land-line, main line, home phone, fixed-line, and wireline) is a telephone connection that uses metal wires or optical fiber telephone line for transmission, as distinguished from a mobile cellular network, which uses ...
s
*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
117/2007 Vyhláška o číslovacích plánech sítí a služeb elektronických komunikací
{{Telephone numbers in Europe
Czech Republic
The Czech Republic, or simply Czechia, is a landlocked country in Central Europe. Historically known as Bohemia, it is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the southeast. The ...
Czech Republic communications-related lists
Telecommunications in the Czech Republic