F L O P P Y - S E N D


O2 logo

The O2 Carrier From Czech Republic is denoted by codes: 230 02. The followings IDs are called HNI (Home network identity). This code is created by the combination of two other Mobile Country Code (MCC) and Mobile Network Code (MNC). The first three numbers stand for the MCC and they are used in order to identify the region which the carried comes from (in the following example it’s Czech Republic). The last numbers of the HNI code are equal with the MNC and this ID is given for the specific mobile network operator.

Besides O2 Czech Republic has assigned country code + 420. This number + 420 is equal with international calling code and it’s simply the telephone dialing prefixes used for calling O2 numbers.
O2 uses 2 GSM bands, 1 UMTS bands, 3 and 0 CDMA bands.. You can read the specific frequency bands in the table below. All bands of the O2 are display in MHz units.
Another important information in O2 Czech Republic architectures is the standard of used protocols. It also uses 10 protocols such as GSM, UMTS, LTE, CDMA. The ISO standard code of O2 is CZ. You can see more info about this mobile network operator at https://www.o2.cz. How to check O2 coverage? How to check if your phone will work in Czech Republic?

FloppySend About
Name O2
Company O2 Czech Republic a.s.
Country Czech Republic flag Czech Republic
Country ISO CZ
Country code + 420
Carrier website https://www.o2.cz
Carrier codes
  • 230 02
Mobile prefix 601, 602, 606, 607, 702, 72x
Size of NSN 9
Number format

+420 601 xxx xxx

+420 602 xxx xxx

+420 606 xxx xxx

+420 607 xxx xxx

+420 702 xxx xxx

+420 72x xxx xxx

Coverage map Check O2 Coverage
Comment Former Eurotel.
Subscribers 5 910 000 (1H 2020)
GSM bands
  • 900 (E-GSM)
  • 1800 (DCS)
GSM protocols
  • EDGE
  • GPRS
UMTS bands
  • B1 (2100)
UMTS protocols
  • DC-HSDPA 42.2
  • HSPA+
  • UTMS
LTE bands
  • B3 (1800+)
  • B7 (2600)
  • B20 (800 DD)
LTE protocols
  • LTE
  • LTE-A
CDMA protocols
  • CDMA2000 1XEV-DO
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