| Bohumín | Regione di Moravia-Slesia | Repubblica Ceca | 23,075 | 735 31, 735 81, 735 83 |
| Jastrzębie-Zdrój | Voivodato della Slesia | Polonia | 95,813 | 44-268, 44-330, 44-335, 44-336, 44-337, 44-338, 44-339 |
| Ostrava | Regione di Moravia-Slesia | Repubblica Ceca | 313,088 | 700 30, 701 00, 702 00, 702 50, 703 00, 708 00, 709 00, 710 00, 712 00, 713 00, 715 00, 716 00, 718 00, 719 00, 720 00, 722 00, 724 00, 725 25, 725 26, 725 27, 725 28, 725 29 |
| Rybnik | Voivodato della Slesia | Polonia | 142,510 | 41-273, 42-266, 44-200, 44-201, 44-203, 44-204, 44-206, 44-207, 44-210, 44-211, 44-212, 44-215, 44-217, 44-218, 44-247, 44-250, 44-251, 44-253, 44-266, 44-270, 44-273, 44-274, 44-279, 44-310, 44-314 |
| Wodzisław Śląski | Voivodato della Slesia | Polonia | 49,521 | 11-111, 12-111, 42-222, 44-273, 44-286, 44-300, 44-304, 44-307, 44-310, 44-313, 44-373 |