Tjekkiet Telefonkode
Landekode +420
| områdekoder | |
| Brno | 54 |
| Capital Praha (Prag) | 3 |
| Plzen | 377 |
| Region Jihocesky | 38 | 39 |
| Region Jihomoravsky | 51 | 53 | 54 |
| Region Karlovarsky | 35 |
| Region Kralovehradecky | 49 |
| Region Liberecky | 48 |
| Region Moravskoslezsky | 56 | 59 |
| Region Olomoucky | 58 |
| Region Pardubicky | 46 |
| Region Plzensky | 37 |
| Region Stredocesky | 31 | 32 |
| Region Ustecky | 41 | 47 |
| Region Vysocina | 56 |
| Region Zinsky | 57 |
| Slany | 31.257 |
| Mobil Koder | |
| O2 (GSM 900/1800 | 3G 2100) | 602 | 606 | 607 | 723 | 724 |
| T-Mobile (GSM 900/1800) | 603 | 604 | 605 |
| Vodafone / Oskar (GSM 900/1800) | 608 | 774 | 775 | 776 | 777 |