© 2014 
Қазақтелеком
ҚазақтелекомKostanay OTD
| № | Name | Address |
| 1 | "Kazpost" JSC | 69, Al-Farabi Ave., Kostanay |
| 74, Abai Ave., Arkalyk | ||
| 52, Lenina Ave., Rudny | ||
| 63, Kalinina St., Zatobolsk | ||
| 8, Lenina St., Borovskoe | ||
| 85, Kalinina St., Taranovka | ||
| 2 | A. K. Abdulgaliyeva Entrepreneur | 56, Pobedy St., Kostanay |
| 3 | D. A. Bannikov Entrepreneur, "Medeo" shop | 219A, Borodina St., Kostanay |
| 4 | D. A. Bannikov Entrepreneur, "Setevik" shop | 4A, Fabrichnaya St., Kostanay |